Service Bulletins
Service Bulletins give additional technical service information needed to knowledgeably service General Motors cars and trucks.
Each bulletin contains instructions to assist in the diagnosis and service of the vehicle.
See also:
Wiper Blade Replacement
Windshield wiper blades should be inspected for wear or cracking. See Maintenance
Schedule .
Replacement blades come in different types and are removed in different ways. ...
Adaptive Forward Lighting (AFL)
For vehicles with uplevel headlamps, the Adaptive Forward Lighting System
(AFL) adjusts the headlamps to provide greater road illumination in various
driving conditions.
To enable AFL, set the ex ...
Starter Switch Check
WARNING
When you are doing this inspection, the vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before starting this check, be sure there is enough room ...