Vehicle Messages

Messages displayed on the DIC indicate the status of the vehicle or some action may be needed to correct a condition. Multiple messages may appear one after another.

The messages that do not require immediate action can be acknowledged and cleared by pressing The messages that require immediate action cannot be cleared until that action is performed. (Set/Reset) or the trip odometer reset stem.

The messages that require immediate action cannot be cleared until that action is performed.

All messages should be taken seriously and clearing the message does not correct the problem.

The following are the possible messages and some information about them.

If the vehicle has a diesel engine, see the Duramax® diesel supplement for more information.

See also:

Electronic Range Select (ERS) Mode
ERS or manual mode allows for the selection of the range of gear positions. Use this mode when driving downhill or towing a trailer to limit the top gear and vehicle speed. The shift position indi ...

Parking on Hills
WARNING Parking the vehicle on a hill with the trailer attached can be dangerous. If something goes wrong, the rig could start to move. People can be injured, and both the vehicle and the trailer ...

Shifting In or Out of Neutral
1. With the vehicle running and the engine at an idle, set the parking brake. 2. Place the transmission into N (Neutral). Shift the transfer case in one continuous motion into or out of the N (Neutr ...