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: 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...

Toyota Corolla 2019-2026 Owners Manual: Mobile Assistant operation. Mobile Assistant

The Mobile Assistant function is a voice input assist function. Mobile Assist supports the Siri Eyes Free Mode and Google App. (Google App can be used only with the corresponding device.) Instructions can be spoken into the vehicle microphone as if speaking a command to the phone...