Rear Axle
When to Check Lubricant
It is not necessary to regularly check rear axle fluid unless you suspect there is a leak or you hear an unusual noise. A fluid loss could indicate a problem. Have it inspected and repaired.
How to Check Lubricant

To get an accurate reading, the vehicle should be on a level surface.
The proper level is from 0 to 3/8 inch (0 to 10 mm) below the bottom of the filler plug hole, located on the rear axle.
What to Use
To determine what kind of lubricant to use.
See also:
Hands-Free Calling
1. Push . System responds:
“OnStar ready.”.
2. Say “Dial.” System responds:
“Please say the name or number
to call.”.
3. Say the entire number without
pausing, including a “1” ...
At Least Once a Year
Starter Switch Check
CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the
vehicle moves, you or others could be
injured.
1. Before you start, be sure you have e ...
Error Messages
If Disc Read Error displays and/or
the disc comes out, it could be for
one of the following reasons:
• The disc has an invalid or
unknown format.
• The disc is not from a correct
region. ...
