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:
How to Add Coolant to the Radiator
1. You can remove the radiator pressure cap
when the cooling system, including the
radiator pressure cap and upper radiator hose,
is no longer hot.
Turn the pressure cap slowly counterclockwis ...
Buick Regal in the Market
The base Regal will do a lot to bring new people into Buick showrooms, and it
could even steal from Acura and Lexus folks who are turned off by those brands'
styling (Acura) or aging models (Lexus ...
Instrument Panel Brightness
(Instrument Panel Brightness):
This feature
controls the brightness of the instrument panel lights.
The knob for this control is located next to the exterior
lamps control.
Push the knob in a ...