How to Check Lubricant
To get an accurate reading, the vehicle should be on a level surface.

1500 Series
A. Fill Plug
B. Drain Plug

All Except 1500 Series
A. Fill Plug
B. Drain Plug
• When the differential is cold, add enough lubricant to raise the level from 0mm (0 in) to 3.2mm (1/8 in) below the fill plug hole.
• When the differential is at operating temperature (warm), add enough lubricant to raise the level to the bottom of the fill plug hole.
See also:
General Information
For service and parts needs, visit your dealer. You will receive genuine GM parts
and GM-trained and supported service people. Genuine GM parts have one of these
marks:
...
CD Player Messages
CHECK DISC: If this message displays and/or the CD ejects, it could be for one of the following reasons:
• It is very hot. When the temperature returns to normal, the CD should play.
• The road ...
Dome Lamps
There are front and rear dome lamps.
The dome lamp controls are located in the overhead console. To change the settings,
press the following:
(Dome Lamp Override): Turns the
lamps off, even whe ...





