Too much transmission fluid can cause foaming or shifting problems. Check the level using your vehicle’s exact procedure, and correct it if it’s high. Transmission fluid level checks can be ...

P0174 means the engine computer detected a lean condition on Bank 2 and reached its fuel-correction limit. Compare fuel-trim data for both banks before replacing parts. Common causes include unmetered ...

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 temperature gauge that moves up and down can indicate low coolant, air in the system, a sticking thermostat, or a sensor or wiring fault. If it reaches hot or red, or an overheating warning appears, ...

The Performance Tool W1 is our top pick for most drivers because its 20-inch, four-way design offers leverage and several socket sizes. Check that a socket fits your vehicle’s lug nuts, and use a ...

In a tire size such as P225/65R17 100T, 225 is the width in millimeters, 65 is the sidewall height as a percentage of width, R means radial construction, and 17 is the wheel diameter in inches. Check ...

Do not drive on a flat, nearly flat, or rapidly deflating tire. Ease off the accelerator, keep the vehicle steady, and pull over somewhere safe. Use the spare only if you can change it safely and your ...

Check all tires while cold and inflate them to the pressure on the driver-door placard. Then follow your owner’s manual to reset or calibrate the TPMS. If the light flashes, returns, or says “Service ...

A flashing DSC light usually means the system is actively regulating traction. A steady light or “DSC OFF” message can mean the system is disabled, initializing, or has a fault. Check your BMW’s ...

Most airbag lights cannot be reset reliably without reading and repairing the stored SRS fault. Use a scanner that can access the airbag module, fix the cause, then clear the code using the vehicle’s ...

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 ...

The exhaust system is made up of several parts working together to route the gases from the engine away from the vehicle. If you want to know how hot an exhaust pipe and muffler get, you must look at ...