OnStar Services

See also:

Parking (Manual Transmission)
Before getting out of the vehicle, place the shift lever in R (Reverse) and firmly apply the parking brake. For vehicles with the key access ignition, turn the ignition key to OFF/LOCK, and r ...

Horn
To sound the horn, press the center pad on the steering wheel. ...

Power Steering Fluid
See Engine Compartment Overview   for reservoir location. ...