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: Head restraints

Head restraints are provided for all seats. WARNING ■Head restraint precautions Observe the following precautions regarding the head restraints. Failure to do so may result in death or serious injury. Use the head restraints designed for each respective seat...

Toyota Corolla 2019-2026 Owners Manual: Tire size

■ Typical tire size information The illustration indicates typical tire size. A - Tire use (P = Passenger car, T = Temporary use) B - Section width (millimeters) C - Aspect ratio (tire height to section width) D - Tire construction code (R = Radial, D = Diagonal) E - Wheel diameter (inches) F - Load index (2 digits or 3 digits) G - Speed symbol (alphabet with one letter) ■ Tire dimensions A ..