OnStar

See also:

Electric Parking Brake Light
For vehicles with the Electric Parking Brake (EPB), the parking brake status light comes on when the parking brake is applied. If the light continues flashing after the parking brake is re ...

Engine Coolant Heater
The engine coolant heater can provide easier starting and better fuel economy during engine warm-up in cold weather conditions at or below 0°F (−18°C). Vehicles with an engine coolant he ...

Customer Satisfaction Procedure
Your satisfaction and goodwill are important to your dealer and to Buick. Normally, any concerns with the sales transaction or the operation of the vehicle will be resolved by your dealer's sa ...