Toyota Corolla: Maintenance and care / Do-it-yourself maintenance

Emission inspection and maintenance (I/M) programs

Some states have vehicle emission inspection programs which include OBD (On Board Diagnostics) checks. The OBD system monitors the operation of the emission control system...

Do-it-yourself service precautions

If you perform maintenance by yourself, be sure to follow the correct procedure as given in these sections. Maintenance WARNING The engine compartment contains many mechanisms and fluids that may move suddenly, become hot, or become electrically energized...

Other information:

Toyota Corolla 2019-2026 Owners Manual: If you think something is wrong

If you notice any of the following symptoms, your vehicle probably needs adjustment or repair. Contact your Toyota dealer as soon as possible. Visible symptoms Fluid leaks under the vehicle. (Water dripping from the air conditioning after use is normal...

Toyota Corolla 2019-2026 Owners Manual: Talking on the Bluetooth® hands-free system

While talking on the phone, the following screen is displayed. The operations outlined below can be performed on this screen. Call screen operation A - Select to display the keypad to send tones. B - Select to send tones. This button only appears when a number that contains a (w) is dialed in hands-free mode...