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: Emergency flashers

The emergency flashers are used to warn other drivers when the vehicle has to be stopped on the road due to a breakdown, etc. Operating instructions Press the switch. All the turn signal lights will flash. To turn them off, press the switch once again...

Toyota Corolla 2019-2026 Owners Manual: Changing settings of the pre-collision system

■ Enabling/disabling the pre-collision system The pre-collision system can be enabled/disabled on   of the multi-information display. The system is automatically enabled each time the engine switch is turned to ON. If the system is disabled, the PCS warning light will turn on and a message will be displayed on the multi-information display...