See also:

Manual Operation of Power Liftgate
To change the liftgate to manual operation, turn the mode switch to the OFF position. With the power liftgate disabled and all of the doors unlocked, the liftgate can be manually opened and close ...

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. Added electrical equipment may interfer ...

SBZA Messages
The following messages may appear on the infotainment display: SIDE BLIND ZONE ALERT SYSTEM OFF: This message indicates that the driver has turned the system off. SIDE BLIND ZONE ALERT SYS ...