A flashing ESP light often means stability control is responding to wheel slip; a steady light may mean the system is switched off or has detected a fault. Check your owner’s manual. If it stays on, ...

A thermostat controls the coolant flow entering and leaving the engine, and the coolant temperature sensor records the coolant temperature by displaying it on the dashboard. With a malfunctioning ...

Engine sensors measure conditions such as airflow, temperature, pressure, and shaft position so the control unit can manage the engine. Which sensors a car has depends on its design. There is no ...

A sidewall bulge, puncture, deep cut, or exposed cords means the tire should be taken out of service. Standard puncture repairs for passenger tires are limited to the tread area, so don’t glue or ...

A failing clock spring can turn on the airbag warning light and stop the steering-wheel horn or buttons from working. Because the part is inside the steering wheel near the airbag, have it tested and ...

Of all the things you could deal with while driving, engine sputtering is one that can cause a lot of alarm. Once it starts, it’s difficult to know whether or not the car will make it to its next ...

A failing starter relay can cause intermittent no-crank or a click with no starter operation. If the starter keeps running after the engine starts, a stuck solenoid or ignition-switch fault is more ...

Brake-pad replacement with an electric parking brake depends on the vehicle. Some systems need a model-specific service mode or scan tool before the rear caliper is moved. Follow the service procedure ...

The debate over synthetic motor oil has been around for years, and everyone seems to have an opinion. Some drivers swear by it, while others stick with conventional oil. But one thing’s for sure: when ...

Our top battery maintainer pick is the DieHard 71219. Before choosing a maintainer, check that it works with your battery type and voltage; the guide compares other options for different needs. Maybe ...

If this message appeared after new tires, a wheel swap, or tire service, note what work was done. The system may need a relearn, but the message alone cannot confirm that. Here’s how to check pressure ...

Many car owners overlook just how important a good oil filter really is. This small but crucial part keeps your engine running smoothly by trapping dirt, debris, and contaminants before they can cause ...