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 2019-2024 Owners Manual: Turning the system on and off. Selecting an audio source

Turning the system on and off “POWER VOLUME” knob: Press to turn the audio/visual system on and off. The system turns on in the last mode used. Turn this knob to adjust the volume. Selecting an audio source 1 Press the “AUDIO” button. 2 Select “Source” or press “AUDIO” button again...

Toyota Corolla 2019-2024 Owners Manual: Wireless remote control

The keys are equipped with the following wireless remote control: ► Vehicles without a smart key system A - Locks the doors (®P.117) B - Unlocks the doors (®P.117) C - Opens the windows*1 and moon roof*1, 2 (®P.117) D - Opens the trunk (®P.124) E - Sounds the alarm ► Vehicles with a smart key system A - Locks the doors (®P...