See also:

Instrument Cluster
English Light Duty Premium Shown. Metric, Uplevel, Base and Heavy Duty Similar. For vehicles with a DURAMAX® Diesel engine, see the DURAMAX® Diesel Supplement for more information. For vehicle ...

Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn the ignition to LOCK/OFF in each shift lever position. • The ignition should turn to LOCK/OFF only when the shift lever is in P (Park). †...

Traction Off Light
This light comes on briefly while starting the engine. If it does not, have the vehicle serviced by your dealer. If the system is working normally, the indicator light then turns off. The tract ...