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: Vehicle identification

■ Vehicle identification number The vehicle identification number (VIN) is the legal identifier for your vehicle. This is the primary identification number for your Toyota. It is used in registering the ownership of your vehicle. On some models: This number is stamped under the right-hand front seat...

Toyota Corolla 2019-2026 Owners Manual: Cleaning and protecting the vehicle exterior

Perform cleaning in a manner appropriate to each component and its material. Cleaning instructions Working from top to bottom, liberally apply water to the vehicle body, wheel wells and underside of the vehicle to remove any dirt and dust. Wash the vehicle body using a sponge or soft cloth, such as a chamois...