OnStar Services
See also:
How to Check Lubricant
To get an accurate reading, the vehicle should be on a level surface.
If the level is below the bottom of the fill plug hole, located on the transfer
case, the vehicle will need some lubricant ad ...
Shifting Out of Four-Wheel Drive Low
To shift from Four-Wheel Drive Low to Four-Wheel Drive High, AUTO or Two-Wheel Drive High, the vehicle must be stopped or moving less than 5 km/h (3 mph) with the transmission in N (Neutral) and the i ...
Other Information
The Bluetooth® word mark and logos are owned by the Bluetooth® SIG, Inc. and
any use of such marks by General Motors is under license. Other trademarks and trade
names are those of their respect ...





