See also:

Center Console Storage
Push the button (A) to access the storage or accessory power outlet under the armrest. See Power Outlets  for more information. Some vehicles might also have input jacks for auxiliary devices ...

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). ...

Service Bulletins
Service Bulletins give additional technical service information needed to knowledgeably service General Motors cars and trucks. Each bulletin contains instructions to assist in the diagnosis ...