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 2019-2025 Owners Manual: Before repairing the tire

Stop the vehicle in a safe place on a hard, flat surface. Set the parking brake. Shift the shift lever to P (continuously variable transmission) or N (manual transmission). Stop the engine. Turn on the emergency flashers. Check the degree of the tire damage...

Toyota Corolla 2019-2025 Owners Manual: RCTA (Rear Cross Traffic Alert) function

The RCTA function uses the BSM rear side radar sensors installed behind the rear bumper. This function is intended to assist the driver in checking areas that are not easily visible when backing up. System components A - Meter control switches Turning the RCTA function on/off...