Shift ranges

Introduction When the automatic transmission is in position D, it is possible to restrict or derestrict the shift range. The shift range selected is shown in the multifunction display. The auto ...

Transfer case

The vehicle has permanent 4-wheel drive (4MATIC). Power is always transmitted to both axles. Performance tests may only be carried out on a 2-axle dynamometer. The brake system or transfer ca ...

See also:

Engine Coolant Temperature Warning Light
The engine coolant temperature warning light comes on briefly when the vehicle is started. If it does not, have the vehicle serviced by your dealer. If the system is working normally, the indic ...

Customer Satisfaction Procedure (U.S. and Canada)
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 ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...