Toyota Corolla: Engine compartment / Components

Engine compartment

..

Checking and adding the engine oil

With the engine at operating temperature and turned off, check the oil level on the dipstick. ■ Checking the engine oil 1 Park the vehicle on level ground...

Other information:

Toyota Corolla 2019-2025 Owners Manual: 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. If the malfunction indicator lamp comes on The OBD system determines that a problem exists somewhere in the emission control system...

Toyota Corolla 2019-2025 Owners Manual: Battery

Check the battery as follows. ■ Battery exterior Make sure that the battery terminals are not corroded and that there are no loose connections, cracks, or loose clamps. A - Terminals B - Hold-down clamp ■ Before recharging When recharging, the battery produces hydrogen gas which is flammable and explosive...