OnStar Services

See also:

Vehicle Overview
Buick joined the minivan market for 2005 with the Terraza, which features sliding side doors and a low step-in height. For 2006, the Terraza can be equipped with a new 3.9-liter V-6. Two version ...

Radio Messages
CAL ERR (Calibration Error): The audio system has been calibrated for your vehicle from the factory. If CAL ERR displays, it means that the radio has not been configured properly for the vehicle a ...

Three-Way Calling
Three-Way Calling must be supported on the Bluetooth phone and enabled by the wireless service carrier to work. 1. While on a call press . The system responds with “Ready” followed by a ...