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:
Compass Variance (Zone) Procedure
1. Do not set the compass zone when the vehicle is moving. Only set it when the vehicle is in P (Park).
Press the vehicle information button until PRESS TO CHANGE COMPASS ZONE displays. Or, if the v ...
Engine Compartment Fuse Block
If the vehicle has a diesel engine, see the Duramax Diesel supplement for more information.
If the vehicle is a hybrid, see the hybrid supplement for more information.
The Engine Compartment Fuse Bl ...
Languages
The vehicle can be programmed to respond in French or Spanish. Push and ask an Advisor. Advisors can speak French or Spanish. ...