See also:

Lane Departure Warning (LDW) Light
For vehicles with the lane departure warning system, this light briefly comes on green, while starting the vehicle, to indicate that it is working. If it does not, have the vehicle servic ...

Off-Road Driving
This off-road guide is for vehicles that have all-wheel drive. If your vehicle does not have all-wheel drive, you should not drive off-road unless you are on a level, solid surface. Many of the ...

Reporting Safety Defects toGeneral Motors
In addition to notifying NHTSA (or Transport Canada) in a situation like this, we certainly hope you will notify us. Please call us at 1-800-521-7300, or write: Buick Customer Assistance Cente ...