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: Bluetooth® phone message function

Received messages can be forwarded from the connected Bluetooth® phone, enabling checking and replying using the system. Depending on the type of Bluetooth® phone connected, received messages may not be transferred to the system. If the phone does not support the message function, this function cannot be used...

Toyota Corolla 2019-2026 Owners Manual: Continuously variable transmission

The fluid capacity is a reference quantity. If replacement is necessary, contact your Toyota dealer. NOTICE ■ Continuously variable transmission fluid type Using continuously variable transmission fluid other than the above type may cause abnormal noise or vibration, or damage the continuously variable transmission of your vehicle...