See also:

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). †...

Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment on page 9‑112. Added electrical equipment ma ...

Remote Keyless Entry (RKE) System
The Remote Keyless Entry (RKE) transmitter will work up to 60m(195 ft) away from the vehicle. Press this button to extend the key. The key can be used for the ignition and all locks. : Press ...