See also:

Anti-theft Alarm System Messages
THEFT ATTEMPTED This message displays if the vehicle detects a tamper condition. ...

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). †...

Noise, Ride & Handling
A defining attribute of GM's latest crossovers is improved noise insulation. Road and wind noise are hushed, leaving the cabin exceptionally quiet — at least until you hit a bump. The suspension ...