Could You Pass a Beginner Mechanic's Vehicle Quiz?
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Question 1
What Does The Oil Warning Light On Your Dashboard Mean?
Question 1
What Is The Purpose Of A Car's Radiator?
Question 1
What Does AWD Stand For On A Vehicle?
Question 1
In A Standard Automatic Car, Which Pedal Controls The Brakes?
Question 1
What Fluid Goes Into A Car's Windshield Washer Reservoir?
Question 1
What Does It Mean When A Tire Is Described As Flat?
Question 1
What Is The Job Of A Car's Alternator?
Question 1
What Does The Check Engine Light Specifically Indicate?
Question 1
What Are Brake Pads Used For In A Vehicle?
Question 1
What Does It Mean When Your Car Needs An Oil Change?
Question 1
What Does A Car's Spare Tire Get Used For?
Question 1
What Is The Steering Wheel Connected To In A Car?
Question 1
What Does A Car's Horn Do When Pressed?
Question 1
What Is The Purpose Of A Car's Headlights?
Question 1
What Liquid Do Older Flooded-Cell Car Batteries Require To Function?
Question 1
What Does A Car's Transmission Actually Do?
Question 1
What Is The Job Of A Car's Air Filter?
Question 1
What Does The 'P' Position On A Gear Shift Mean?
Question 1
What Does A Car's Muffler Help Reduce?
Question 1
What Does A Mechanic Mean By A Car's VIN?
Question 1
What Does A Car's Gas Gauge Tell You?
Question 1
What Is The Purpose Of A Car's Seat Belt?
Question 1
What Does A Car's Thermostat Actually Control?
Question 1
What Part Of A Car Connects Two Wheels On The Same Side?
Question 1
What Is The Job Of A Car's Serpentine Belt?
Question 1
What Does A Car's Catalytic Converter Do?
Question 1
What Fluid Does Power Steering Use To Work?
Question 1
What Is A Car's Dipstick Used To Check?
Question 1
What Does PSI Stand For On A Tire Gauge?
Question 1
What Is The Purpose Of A Car's Shock Absorbers?
Question 1
What Does A Car's Fuel Pump Actually Do?
Question 1
What Is The Purpose Of A Car's Timing Belt?
Question 1
What Fluid Does A Car's Brake System Use?
Question 1
What Is A Car's Lug Nut Used For?
Question 1
What Does A Car's Coolant Actually Do?
Question 1
What Is The Job Of A Car's Starter Motor?
Question 1
What Does A Car's Tread Depth Affect Most?
Question 1
What Is A Car's Cabin Air Filter Designed To Do?
Question 1
What Does It Mean When A Car Is Described As Front-Wheel Drive?
Question 1
What Is The Purpose Of A Car's Parking Brake?
Question 1
What Does A Car's Turn Signal Actually Do?
Question 1
What Is The Purpose Of A Car's Side Mirrors?
Question 1
What Does A Car's Odometer Measure?
Question 1
Which Part Of A Car Cleans The Windshield In Rain?
Question 1
What Is A Car's Engine Coolant Also Commonly Called?
Question 1
What Does A Mechanic Mean By A Car's RPM?
Question 1
What Is The Job Of A Car's Fuse Box?
Question 1
What Does A Car's Tachometer Gauge Display?
Question 1
Which Part Of A Car Forms Its Structural Skeleton?
Question 1
What Does It Mean When A Car Engine Is Described As Overheating?
Question 1
What Is The Purpose Of A Car's Gas Cap?
Question 1
What Does A Car's Defroster Do For You?
Question 1
Which Fluid Keeps A Car's Gears Shifting Smoothly?
Question 1
What Is The Job Of A Car's Wheel Bearings?
Question 1
What Does A Car's Battery Actually Power?
Question 1
What Is A Car's CV Joint Responsible For?
Question 1
When A Mechanic Says Your Car Needs A Flush, What Does That Mean?
Question 1
What Is The Purpose Of A Car's Tie Rods?
Question 1
What Does A Car's Torque Wrench Help A Mechanic Do?
Question 1
What Is A Car's PCV Valve Designed To Do?
Question 1
What Does A Car's Speedometer Tell The Driver?
Question 1
What Is The Purpose Of A Car's Glove Compartment?
Question 1
What Does A Car's Jack Help You Do?
Question 1
Which Part Of A Car Protects You In A Front Collision?
Question 1
What Is A Car's Exhaust Pipe Designed To Do?
Question 1
What Does A Mechanic Mean By A Car's Blind Spot?
Question 1
What Is The Purpose Of A Car's Sun Visor?
Question 1
What Does It Mean When A Car Engine Is Described As Idling?
Question 1
What Is A Car's Bumper Primarily Designed To Do?
Question 1
What Does A Car's Rearview Mirror Help A Driver Do?
Question 1
What Does A Car's Tailgate Refer To On A Truck?
Question 1
What Is The Purpose Of A Car's Fog Lights?
Question 1
What Does A Car's Tow Capacity Tell You?
Question 1
What Is A Car's Differential Designed To Do?
Question 1
What Does It Mean When A Mechanic Says A Car Is Misfiring?
Question 1
What Is The Purpose Of A Car's Struts?
Question 1
What Does A Car's Caliper Do In The Brake System?
Question 1
What Is A Car's Payload Capacity?
Question 1
What Does A Car's Timing Chain Do?
Question 1
What Is The Purpose Of A Car's Wheel Alignment?
Question 1
What Does A Car's Cruise Control Help A Driver Do?
Question 1
How Many Cylinders Does A Standard Four-Cylinder Engine Have?
Question 1
What Does It Mean When A Mechanic Says A Car Has A Leak?
Question 1
What Is The Purpose Of A Car's Mud Flaps?
Question 1
What Does A Car's Hazard Light Button Activate?
Question 1
What Is A Car's Sunroof Designed To Do?
Question 1
What Does It Mean When A Car Is Said To Be In Neutral?
Question 1
What Is The Purpose Of A Car's Door Seal?
Question 1
What Does A Car's Traction Control System Actually Do?
Question 1
What Is A Car's Engine Block Often Made From?
1
Low Fuel Level
2
Battery Is Weak
3
Engine Overheating
4
Low Oil Pressure
The oil warning light means your engine's oil pressure has dropped dangerously low — ignoring it can destroy an engine within minutes.
1
Cool The Engine
2
Filter The Fuel
3
Charge The Battery
4
Boost The Power
Radiators were first used in automobiles in the early 1900s and work by circulating coolant fluid to pull heat away from the engine.
1
All-Wheel Drive
2
Automatic Wheel Drift
3
Axle Weight Distribution
4
Advanced Wheel Design
AWD systems send power to all four wheels simultaneously, giving drivers better traction on slippery or uneven roads in any weather.
1
The Top Pedal
2
The Left Pedal
3
The Right Pedal
4
The Middle Pedal
In automatic cars the left pedal is the brake and the right pedal is the accelerator — no clutch pedal exists.
1
Transmission Fluid
2
Washer Fluid
3
Motor Oil
4
Brake Fluid
Windshield washer fluid contains a special antifreeze ingredient that keeps it from freezing on your glass in temperatures below 32°F.
1
It Needs Replacing
2
It Is Brand New
3
It Is Overinflated
4
It Has Lost Air
A flat tire loses air pressure due to a puncture or leak — driving even a short distance on a flat can permanently damage the wheel rim.
1
Control The Brakes
2
Filter Engine Oil
3
Cool The Engine
4
Charge The Battery
The alternator was introduced in production cars in the 1960s and continuously recharges your battery while the engine is running.
1
Tires Are Low
2
A Fault Code Has Been Stored
3
Oil Is Full
4
Fuel Is Fine
The check engine light triggers when the onboard computer logs a specific diagnostic fault code a mechanic can read with a scanner.
1
Starting The Engine
2
Slowing The Car Down
3
Filtering Engine Air
4
Steering The Wheels
Brake pads press against a metal disc called a rotor to create friction — most mechanics recommend replacing them every 25,000 to 65,000 miles.
1
Old Oil Must Go
2
Brakes Need Bleeding
3
Tires Need Rotating
4
Engine Needs Replacing
Engine oil breaks down over time and collects dirt — fresh oil keeps metal parts from grinding together, which is why regular changes extend engine life.
1
Extra Storage Space
2
Replace A Flat Tire
3
Balance The Vehicle
4
Improve Fuel Economy
Most spare tires are compact 'donuts' meant for short trips only — typically under 50 miles at reduced speed.
1
The Transmission
2
The Fuel Pump
3
The Rear Axle
4
The Front Wheels
The steering wheel connects through a column and rack-and-pinion system that physically turns your front wheels left or right.
1
Flashes The Lights
2
Sounds An Alert
3
Starts The Engine
4
Locks The Doors
Early car horns were hand-squeezed rubber bulbs — the electric horn we know today became standard in the early 1900s.
1
Light The Road Ahead
2
Signal Other Drivers
3
Charge The Battery
4
Power The Dashboard
Before sealed-beam headlights arrived in 1940, drivers had to replace the entire glass-and-filament unit as one piece.
1
Distilled Water
2
Motor Oil
3
Brake Fluid
4
Coolant
Traditional flooded-cell batteries use distilled water mixed with sulfuric acid — tap water minerals corrode the internal cells over time.
1
Cools The Engine
2
Filters The Air
3
Shifts The Gears
4
Stores The Fuel
The transmission transfers engine power to the wheels and lets you change speed without over-revving — automatic versions debuted in 1940 Oldsmobiles.
1
Keep Dirt Out Of The Engine
2
Regulate Fuel Pressure
3
Clean The Exhaust Fumes
4
Cool The Passenger Cabin
A clogged air filter can reduce fuel efficiency by up to 10 percent — most mechanics recommend replacing it every 15,000 to 30,000 miles.
1
Pause
2
Park
3
Power
4
Propel
Selecting Park locks a pin into the transmission gear, physically preventing the wheels from rolling even without the parking brake engaged.
1
Fuel Consumption
2
Engine Noise
3
Exhaust Fumes
4
Engine Heat
A muffler uses a series of chambers and baffles to cancel out sound waves — without one, most cars would be as loud as a small aircraft.
1
Valve Index Notation
2
Verified Ignition Node
3
Visual Inspection Notice
4
Vehicle ID Number
Every VIN has exactly 17 characters and encodes the car's country of origin, manufacturer, and model year — standardized worldwide since 1981.
1
Engine Temp
2
Oil Pressure
3
Battery Life
4
Fuel Level
The gas gauge uses a float inside the tank — when fuel drops, the float sinks and moves the needle toward E.
1
Protect The Driver
2
Support The Seat
3
Hold The Door
4
Steady The Wheel
Seat belts were made mandatory in U.S. cars starting in 1968 and are credited with saving over 374,000 lives per decade.
1
Tire Pressure
2
Cabin Air Flow
3
Fuel Injection
4
Engine Temperature
The thermostat is a small valve that opens once the engine warms up, letting coolant flow to prevent overheating.
1
The Axle
2
The Frame
3
The Driveshaft
4
The Chassis
Axles link two wheels on the same axis and transfer engine torque directly to the wheels to move the vehicle forward.
1
Hold The Engine
2
Filter The Oil
3
Cool The Brakes
4
Power Car Parts
One single serpentine belt runs the alternator, power steering pump, and air conditioning — replacing the multiple belts older cars used.
1
Cools The Exhaust
2
Filters Engine Air
3
Boosts Engine Power
4
Cleans Exhaust Fumes
Catalytic converters became required on U.S. cars in 1975 and convert toxic carbon monoxide into harmless carbon dioxide.
1
Power Steering Fluid
2
Transmission Fluid
3
Brake Fluid
4
Coolant
Power steering fluid creates hydraulic pressure that makes turning the wheel effortless — without it, steering becomes extremely stiff.
1
Coolant Level
2
Brake Fluid
3
Oil Level
4
Fuel Level
The dipstick has two marks — MIN and MAX — and checking it takes under a minute but can prevent thousands in engine damage.
1
Pounds Per Square Inch
2
Pump Speed Indicator
3
Pressure Safety Index
4
Pneumatic System Input
Most passenger car tires need between 32 and 35 PSI — tires lose about one PSI for every 10-degree drop in temperature.
1
Slow The Car Down
2
Smooth Out The Ride
3
Steer The Front Wheels
4
Support The Engine
Shock absorbers contain pressurized oil or gas that dampens the bounce from bumps — worn shocks can increase stopping distance by up to 20%.
1
Cools The Fuel
2
Measures Fuel Level
3
Moves Gas To Engine
4
Filters The Gas
Without a working fuel pump, gas never leaves the tank, so the engine simply starves and stalls.
1
Drives The Alternator
2
Controls The Brakes
3
Syncs Engine Parts
4
Cools The Engine
The timing belt keeps the crankshaft and camshaft perfectly in sync, and a snapped one can destroy an entire engine in seconds.
1
Brake Fluid
2
Power Steering Fluid
3
Transmission Fluid
4
Coolant
Brake fluid is specially formulated to handle extreme heat and transfers the pressure from your foot directly to the brake pads.
1
Securing The Wheel
2
Adjusting The Brakes
3
Tightening The Axle
4
Holding The Hubcap
Most cars use five lug nuts per wheel, and mechanics use a torque wrench to tighten them to a precise measurement so none loosen while driving.
1
Prevents Overheating
2
Lubricates The Engine
3
Powers The Fan
4
Cleans The Radiator
Coolant — also called antifreeze — was first widely used in World War I vehicles and works in both summer heat and winter freezes.
1
Cranks The Engine On
2
Powers The Fuel Pump
3
Controls The Ignition
4
Charges The Battery
The starter motor draws a huge burst of power from the battery to spin the engine just long enough for combustion to take over on its own.
1
Wheel Alignment
2
Grip On The Road
3
Tire Pressure
4
Fuel Efficiency
A quick way to check tread depth is the penny test — insert a penny into the groove, and if you can see Lincoln's full head, it's time for new tires.
1
Cool The Dashboard
2
Clean Interior Air
3
Filter Engine Fumes
4
Protect The Vents
Cabin air filters were not standard on most cars until the 1990s and trap pollen, dust, and even bacteria before air reaches passengers inside.
1
Rear Wheels Steer It
2
All Wheels Are Driven
3
Engine Sits In Back
4
Front Wheels Power It
Front-wheel drive became popular in the 1980s because it saves weight and gives better traction in rain and light snow for everyday drivers.
1
Lock The Steering Wheel
2
Engage The Transmission
3
Slow Highway Speed
4
Hold The Car Still When Parked
The parking brake locks the rear wheels mechanically to prevent rolling — it is a holding brake not designed for emergency stops at speed.
1
Locks The Doors
2
Dims The Headlights
3
Alerts Other Drivers
4
Activates The Wipers
Turn signals were first introduced on cars in the 1930s and are legally required in all 50 states today.
1
Reflect Headlights Back
2
Block Sun Glare
3
See Beside The Car
4
Reduce Wind Noise
Side mirrors became a standard safety requirement in the U.S. in 1968, replacing a single rearview mirror as the only option.
1
Total Miles Driven
2
Battery Charge Level
3
Engine Temperature
4
Fuel Remaining
The word odometer comes from the Greek word for road, and early versions were used on horse-drawn carriages centuries ago.
1
The Defroster Vents
2
The Sun Visor
3
The Hood Latch
4
The Wiper Blades
Mary Anderson invented the windshield wiper in 1903 and received a patent, though automakers initially doubted anyone would want one.
1
Brake Fluid
2
Antifreeze
3
Transmission Fluid
4
Power Steering Fluid
Antifreeze lowers the freezing point of engine coolant to below zero, preventing engine damage in cold winter temperatures.
1
Engine Speed
2
Battery Voltage
3
Fuel Pressure
4
Tire Rotation
RPM stands for Revolutions Per Minute and measures how fast the engine's crankshaft is spinning at any given moment.
1
Filter Engine Air
2
Control The Brakes
3
Store Extra Fuel
4
Protect Electrical Parts
A blown fuse acts like a deliberate weak link — it sacrifices itself to prevent a power surge from destroying expensive electrical components.
1
Oil Pressure
2
Miles Per Gallon
3
Engine RPM
4
Outside Temperature
The tachometer helps drivers avoid over-revving the engine, which can cause serious internal damage if the needle enters the red zone.
1
The Subframe
2
The Firewall
3
The Engine Block
4
The Chassis
The word chassis comes from French and Latin roots meaning frame — it is the skeleton every other car part bolts onto.
1
It Has A Dead Battery
2
It Has Low Fuel
3
It Is Too Hot Inside
4
It Needs New Oil
An overheating engine can warp metal parts within minutes — pulling over immediately can save thousands of dollars in repair costs.
1
Vent The Engine
2
Seal The Fuel Tank
3
Filter The Fuel
4
Measure The Gas
A loose or missing gas cap can trigger your check engine light and cause fuel to evaporate, lowering your mileage.
1
Clears Foggy Windows
2
Heats The Seats
3
Warms The Engine
4
Melts Ice On Tires
Rear defrosters use a thin grid of heated wires embedded directly in the glass, a feature first introduced in the 1960s.
1
Brake Fluid
2
Power Steering Fluid
3
Coolant
4
Transmission Fluid
Transmission fluid also acts as a coolant inside the gearbox, preventing heat damage during long drives.
1
Absorb Road Bumps
2
Let Wheels Spin Freely
3
Connect The Brakes
4
Hold The Tire Air
Worn wheel bearings often make a humming or grinding noise that gets louder as you speed up — a classic mechanic's clue.
1
The Fuel Pump
2
Electrical Systems
3
The Brake Lines
4
The Radiator Fan
A car battery typically lasts three to five years, and cold winters are the number one reason they fail ahead of schedule.
1
Regulating Fuel Flow
2
Transferring Power To Wheels
3
Controlling Brake Pressure
4
Filtering Engine Air
CV stands for Constant Velocity — these joints flex as the wheels turn and bounce while still delivering smooth power.
1
A Filter Must Be Replaced
2
Old Fluid Must Be Replaced
3
The Battery Needs Charging
4
The Engine Needs Cleaning
A flush drains and replaces degraded fluid — whether coolant, transmission, brake, or power steering — to prevent internal damage.
1
Connect Steering To Wheels
2
Hold The Engine In Place
3
Support The Exhaust Pipe
4
Link The Brake Pedal
Worn tie rods cause uneven tire wear and a wandering steering wheel — mechanics often spot them during a wheel alignment check.
1
Measure Engine Temperature
2
Tighten Bolts To Exact Specs
3
Test Battery Voltage
4
Check Tire Pressure
Over-tightening lug nuts without a torque wrench can warp brake rotors — torque wrenches click when the right tension is reached.
1
Regulate Fuel Injection
2
Remove Engine Gases
3
Control Cabin Pressure
4
Filter Exhaust Fumes
PCV stands for Positive Crankcase Ventilation — this small valve costs just a few dollars but a clogged one can ruin an engine over time.
1
Fuel Level
2
Current Speed
3
Total Miles
4
Engine Temperature
Speedometers became standard in American cars around 1910, replacing the need for drivers to guess their speed.
1
Store Documents
2
Cool The Cabin
3
Power The Radio
4
Hold Extra Fuel
The glove compartment got its name in the early 1900s when drivers stored leather driving gloves inside it.
1
Lift The Vehicle
2
Tighten The Bolts
3
Check The Oil
4
Charge The Battery
A scissor jack, the type found in most car trunks, can lift a vehicle using just a simple hand crank.
1
The Bumper Cover
2
The Spoiler
3
The Airbag
4
The Muffler
Airbags inflate in about 1/20th of a second — faster than the blink of an eye — to cushion the driver on impact.
1
Filter Cabin Air
2
Cool The Engine
3
Release Engine Gases
4
Reduce Engine Noise
Exhaust pipes direct harmful carbon monoxide gases away from the cabin, which is why running a car in a closed garage is so dangerous.
1
A Cracked Windshield
2
An Area You Cannot See
3
A Broken Mirror
4
A Dim Headlight
Blind spots exist because a car's pillars and roof block the driver's natural line of sight on both sides of the vehicle.
1
Block Glare From Light
2
Cool The Dashboard
3
Reduce Wind Noise
4
Support The Roof
Sun visors were first added to cars in the 1920s as windshields became larger and glare became a serious driving hazard.
1
Running Out Of Fuel
2
Overheating Quickly
3
Needing An Oil Change
4
Running While Stopped
Idling for more than 10 seconds actually uses more fuel than turning the engine off and restarting it.
1
Reduce Road Noise
2
Improve Fuel Economy
3
Support The Hood
4
Absorb Low-Speed Impact
US law requires bumpers to withstand a 5 mph crash without damage to safety systems, protecting drivers from costly repairs.
1
See Traffic Behind Them
2
Adjust The Headlights
3
Monitor Engine Temp
4
Check Tire Pressure
The rearview mirror was invented in 1911 by race car driver Ray Harroun, who used it to avoid needing a co-driver at Indianapolis.
1
The Tow Hitch
2
The Rear Bumper
3
The Truck Bed
4
The Rear Door
Pickup trucks got their hinged tailgates in the 1930s, replacing solid wooden rear panels that made loading cargo much harder.
1
Light The Interior
2
Replace Headlights
3
Improve Low Visibility
4
Signal Other Drivers
Fog lights aim downward toward the road surface, cutting under the fog layer rather than bouncing light back into the driver's eyes.
1
How Fast It Can Go
2
How Heavy The Car Is
3
How Much It Can Pull
4
How Much Fuel It Holds
Exceeding a vehicle's tow rating can overheat the transmission and strain the brakes, which is why manufacturers test and publish this number carefully.
1
Distribute Fuel Evenly
2
Balance The Tire Pressure
3
Let Wheels Turn At Different Speeds
4
Absorb Road Vibration
When a car turns a corner, the outer wheel must travel farther than the inner wheel, and the differential invented in 1827 makes that possible.
1
The Fuel Tank Is Low
2
The Battery Is Dying
3
A Cylinder Isn't Igniting
4
The Brakes Are Slipping
A misfiring engine often causes a noticeable shudder or jerk, and one bad spark plug is frequently all it takes to trigger the problem.
1
Regulate Fuel Pressure
2
Keep The Doors Aligned
3
Connect The Exhaust System
4
Support And Absorb Road Bumps
Struts are a structural part of the suspension system, meaning worn struts affect not just ride comfort but also your car's steering and alignment.
1
Squeezes The Brake Pads
2
Holds The Brake Rotor
3
Pumps The Brake Fluid
4
Releases The Parking Brake
Brake calipers work like a clamp, gripping a spinning disc called the rotor and creating the friction that slows your vehicle down.
1
How Far It Can Travel
2
How Much Horsepower It Has
3
How Many Passengers It Seats
4
How Much Weight It Can Carry
Payload includes passengers, cargo, and anything loaded into the vehicle, so a family of four already uses several hundred pounds of that limit.
1
Connects The Transmission
2
Controls The Fuel Injectors
3
Keeps Engine Parts In Sync
4
Regulates The Cooling Fan
Unlike a rubber timing belt, a timing chain is made of metal links and can last the life of the engine if the oil is changed regularly.
1
Keep Tires Pointing Straight
2
Rotate The Tires Evenly
3
Balance The Tire Pressure
4
Tighten The Lug Nuts
Hitting a single large pothole can knock a car's alignment off, causing uneven tire wear that quietly costs drivers hundreds of dollars in early replacements.
1
Brake On Its Own
2
Shift Gears Faster
3
Steer Automatically
4
Maintain A Set Speed
Cruise control was invented in 1948 by Ralph Teetor, a blind engineer who was inspired by his driver's uneven speed.
1
Six
2
Four
3
Eight
4
Two
Four-cylinder engines became dominant in economy cars during the 1970s fuel crisis because they deliver better mileage than larger engines.
1
Fluid Is Escaping
2
The Engine Is Hot
3
Air Is Getting In
4
A Hose Is Loose
Oil leaks are the most common type, and even a slow drip can cause serious engine damage if left unchecked for months.
1
Support The Bumper
2
Reduce Wind Noise
3
Cover The Exhaust
4
Block Road Debris
Mud flaps protect other vehicles from rocks and debris kicked up by your tires, and many states legally require them on trucks.
1
The Interior Dome Light
2
All Turn Signals At Once
3
The Brake Lights Only
4
The Headlights Only
Hazard lights flash all four turn signals simultaneously and were first introduced as a standard safety feature in 1967 in the U.S.
1
Strengthen The Roof
2
Improve Fuel Economy
3
Reduce Road Noise
4
Let In Air And Light
The first factory-installed sunroof appeared on a 1937 Nash, decades before they became a popular luxury feature in the 1970s.
1
The Engine Is Off
2
The Car Is In Park
3
The Brakes Are Locked
4
No Gear Is Engaged
In neutral the engine runs but power is disconnected from the wheels, which is why the car can roll freely on a slope.
1
Support The Window Glass
2
Keep Out Water And Wind
3
Protect The Door Lock
4
Hold The Door Hinges
Door seals are made of rubber and can dry out over time, causing wind noise and water leaks that are inexpensive to fix.
1
Monitors Tire Pressure
2
Prevents Wheels From Spinning
3
Assists With Steering
4
Controls Engine Temperature
Traction control senses when a wheel spins too fast on slippery roads and automatically reduces engine power to restore grip.
1
Stainless Steel
2
Carbon Fiber
3
Cast Iron Or Aluminum
4
Reinforced Plastic
Aluminum engine blocks became popular in the 1990s because they weigh about 40 percent less than cast iron, improving fuel efficiency.
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