OnStar Services

See also:

Customer Assistance Offices
Buick encourages customers to call the toll-free number for assistance. However, if a customer wishes to write or e-mail Buick, the letter should be addressed to: United States — Customer Assis ...

Audio Source
VOL/ (Volume/Power): 1. Press to turn the radio on or off. 2. Turn to increase or decrease the volume of the active source (i.e., current audio source, active navigation voice guidance, or ...

Remote Keyless Entry (RKE) System
The Remote Keyless Entry (RKE) transmitter will work up to 20 m (65 ft) away from the vehicle. On vehicles with remote start the distance will be greater. Press the button to extend the key ...