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: Troubleshooting

If you are experiencing difficulties with Apple CarPlay/Android Auto, check the following table. *: Applications not compatible with Apple CarPlay are applications installed on the iPhone that are not displayed on the Apple CarPlay screen application list...

Toyota Corolla 2019-2026 Owners Manual: Sound settings

1 Display the audio control screen. 2 Select “Sound”. 3 Select the desired item to be set. A Select to set the treble/ mid/bass. B Select to set the fader/balance. C Select to set the automatic sound levelizer. ■ Treble/Mid/Bass How good an audio program sounds is largely determined by the mix of the treble, mid and bass levels...