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 interfere with the operation of the OnStar system and cause it to not operate.
See also:
When to Check Lubricant
Refer to Maintenance Schedule to determine how often to check the
lubricant. ...
Tow/Haul Mode
Pressing this button at the end of the shift lever turns on and off the tow/haul
mode.
This indicator light on the instrument panel cluster comes on when the tow/haul
mode is on.
Tow/Haul is ...
Rear Safety Belt Comfort Guides
This vehicle may have rear shoulder belt comfort guides. If not, they are available
through your dealer. The guides may provide added safety belt comfort for older
children who have outgrown boost ...