OnStar

See also:

Electric Parking Brake Light
The Electric Parking Brake (EPB) light should come on briefly as the engine is started. If it does not come on, have the vehicle serviced by your dealer. The parking brake status light comes on w ...

Driving for Better Fuel Economy
Driving habits can affect fuel mileage. Here are some driving tips to get the best fuel economy possible. • Avoid fast starts and accelerate smoothly. • Brake gradually and avoid abrupt stops. ...

Brake Fluid
The brake master cylinder and, on manual transmission vehicles, the clutch hydraulic system use the same reservoir. See Engine Compartment Overview  for the location of the reservoir. The r ...