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: Selecting shift ranges in the D position

To drive using temporary shift range selection, operate the “-” or “+” paddle shift switch. When the “-” paddle shift switch is operated, the shift range switches to a range that enables engine braking force that is suitable to driving conditions...

Toyota Corolla 2019-2026 Owners Manual: Points to remember

The laws of all 50 states of the U.S.A. as well as Canada now require the use of child restraint systems. Prioritize and observe the warnings, as well as the laws and regulations for child restraint systems. Use a child restraint system until the child becomes large enough to properly wear the vehicle’s seat belt...