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: 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...

Toyota Corolla 2019-2026 Owners Manual: Shift position purpose and functions

■To protect the continuously variable transmission If the continuously variable transmission fluid temperature is high, “Transmission Oil Temp. High Stop in a Safe Place and See Owner’s Manual” will be displayed on the multi-information display and the vehicle will go into transmission protection mode automatically...