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 your vehicle overheats

The following may indicate that your vehicle is overheating. The engine coolant temperature gauge (®P.91, 95) is in the red zone or a loss of engine power is experienced. (For example, the vehicle speed does not increase.) “Engine Coolant Temp High Stop in a Safe Place See Owner’s Manual” is shown on the multi-information display...

Toyota Corolla 2019-2026 Owners Manual: Using Toyota apps

► From the “MENU” button 1 Press the “MENU” button. 2 Select “Apps”. 3 Follow the steps in “From the “APPS” button” from step 3. ► From the “APPS” button 1 Press the “APPS” button. 2 Select “Apps”. If a specific application screen is displayed, select “Apps” again...