Potential Issues
Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five days, OnStar can contact Roadside Assistance and a locksmith to help gain access to the vehicle.
See also:
Liftgate
WARNING
Exhaust gases can enter the vehicle if it is driven with the liftgate or
trunk/hatch open, or with any objects that pass through the seal between the
body and the trunk/hatch or liftgate. ...
Twilight Sentinel
This feature automatically turns the lamps on and off. A light sensor on top
of the instrument panel makes the Twilight Sentinel® work, so be sure it is not
covered.
With Twilight Sentinel th ...
High-Beam On Light
This light comes on when the high-beam headlamps are in use.
See Headlamp High/Low-Beam Changer for more information. ...