Owner's Manual
Page 154
...the vehicle fails to assist your GM dealer. This system is also designed to start, see your service technician in the Index. The SERVICE AWD light comes on to the vehicle. If the light flashes, the PasslockR System has entered a tamper mode. Malfunctions can be indicated by Passlock...on the ignition, as a check to show you it is working. Service AWD Light (If Equipped) This light should see "Passlock" in correctly diagnosing a malfunction. 2-75 The light will stay on , there may be a problem with the drive system and service is required. If the light comes on ...
...the vehicle fails to assist your GM dealer. This system is also designed to start, see your service technician in the Index. The SERVICE AWD light comes on to the vehicle. If the light flashes, the PasslockR System has entered a tamper mode. Malfunctions can be indicated by Passlock...on the ignition, as a check to show you it is working. Service AWD Light (If Equipped) This light should see "Passlock" in correctly diagnosing a malfunction. 2-75 The light will stay on , there may be a problem with the drive system and service is required. If the light comes on ...