See also:

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...

Checking Things Underthe Hood
CAUTION: Things that burn can get on hot engine parts and start a fire. These include liquids like fuel, oil, coolant, brake fluid, windshield washer and other fluids, and plastic or rubber. Yo ...

Windshield
For safety, appearance, and the best viewing, keep the windshield clean and clear. • Signs of damage include scratches, cracks, and chips. • Trained dealer technicians can inspect the wi ...