Maintenance

Although “ECU” typically stands for engine control unit, it could also mean electronic control unit. Here’s what those mean.
2022 Audi A3

What Is an ECU?

Although “ECU” typically stands for engine control unit, it could also mean electronic control unit. Here’s what those mean.
Here are vehicle brands offering retail buyers some level of complimentary scheduled maintenance for the 2022 model years.
what-cars-have-free-maintenance

Which New Cars Have Free Maintenance?

Here are vehicle brands offering retail buyers some level of complimentary scheduled maintenance for the 2022 model years.
Some automakers furnish complimentary maintenance programs that last anywhere from one to five years from when the car was new, but there are limitations.
Tesla Service

Which Used Cars Still Have Free Maintenance?

Some automakers furnish complimentary maintenance programs that last anywhere from one to five years from when the car was new, but there are limitations.
A catalytic converter is part of your car’s exhaust system that converts harmful engine-exhaust pollutants into something less harmful to the environment.
Catalytic converter

What's a Catalytic Converter and Why Do People Steal Them?

A catalytic converter is part of your car’s exhaust system that converts harmful engine-exhaust pollutants into something less harmful to the environment.
Electric vehicles don’t use oil in the traditional sense because their electric motors generally don’t have oil in them, but EVs may use other lubricants that should at least be checked periodically.
2020 Mini Cooper SE Hardtop

Do Electric Vehicles Use Oil?

Electric vehicles don’t use oil in the traditional sense because their electric motors generally don’t have oil in them, but EVs may use other lubricants that should at least be checked periodically.
Our 2021 F-150 was finally set to receive BlueCruise, Ford’s driver-assist system that couples hands-free lane centering with adaptive cruise control, but we found no evidence it had been installed.
Cars.com's 2021 Ford F-150

One Year Later, Still No BlueCruise for Our F-150

Our 2021 F-150 was finally set to receive BlueCruise, Ford’s driver-assist system that couples hands-free lane centering with adaptive cruise control, but we found no evidence it had been installed.
Automotive solenoids allow a smaller amount of current from the ignition switch to route a much larger amount of current from the battery to the starter motor.
2022 Infiniti QX60

What Is a Solenoid?

Automotive solenoids allow a smaller amount of current from the ignition switch to route a much larger amount of current from the battery to the starter motor.
Although drop-in and spray-in bedliners have been the traditional choices for protecting the inside of your pickup’s cargo bed, there is now a third style: sectional bedliners.
DualLiner bedliner installation

What’s the Difference Between a Drop-In, Spray-In and ...

Although drop-in and spray-in bedliners have been the traditional choices for protecting the inside of your pickup’s cargo bed, there is now a third style: sectional bedliners.
Our Palisade appeared to be on the up-and-up after the initial fix in November 2020, but a year living with the SUV — and particularly the return of hot weather — unearthed whiffs of the original ...
2020 Hyundai Palisade Limited

A Year After Being Fixed, Does Our 2020 Hyundai Palisade ...

Our Palisade appeared to be on the up-and-up after the initial fix in November 2020, but a year living with the SUV — and particularly the return of hot weather — unearthed whiffs of the original ...
Low-rolling-resistance tires are designed to improve a vehicle’s fuel economy by reducing its rolling resistance as it travels down the road.
2022 Acura MDX

What Are Low-Rolling-Resistance Tires?

Low-rolling-resistance tires are designed to improve a vehicle’s fuel economy by reducing its rolling resistance as it travels down the road.

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