Uplevel Headlamp Assembly
The uplevel model vehicle has a high intensity discharge (HID) high/low beam, a dedicated DRL, and a parking/turn signal lamp on the headlamp assembly. See High Intensity Discharge (HID) Lighting for more information.
To replace one of these bulbs:
1. Open the hood. See Hood.

A. DRL Lamp
B. Parking/Turn Signal Lamp
2. Turn the bulb socket counterclockwise to remove it from the headlamp assembly.
3. Pull the bulb straight out from the socket.
4. Push the new bulb into the socket and reinstall the socket into the headlamp assembly by turning it clockwise.
See also:
Wheel Replacement
Replace any wheel that is bent, cracked, or badly rusted
or corroded. If wheel nuts keep coming loose, the
wheel, wheel bolts, and wheel nuts should be replaced.
If the wheel leaks air, replace i ...
Engine Cooling System Messages
A/C OFF DUE TO HIGH ENGINE TEMP
This message displays when the engine coolant becomes hotter than the normal operating temperature.
To avoid added strain on a hot engine, the air conditioning compre ...
Reporting Safety Defects to General Motors
In addition to notifying NHTSA
(or Transport Canada) in a situation
like this, please notify General
Motors.
Call 1-800-521-7300, or write:
Buick Customer Assistance Center
P.O. Box 33136
...
