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:
TPMS Malfunction Light and Message
The TPMS will not function properly if one or more of the TPMS sensors are
missing or inoperable. When the system detects a malfunction, the low tire
pressure warning light flashes for about one min ...
Anti-Pinch Feature
If an object is in the path of the sunroof when it is closing, the
anti-pinch feature detects the object and stops the sunroof from closing at the
point of the obstruction. The sunroof then returns ...
How to Add Coolant to the
Surge Tank
WARNING!
You can be burned if you spill
coolant on hot engine parts.
Coolant contains ethylene glycol
and it will burn if the engine parts
are hot enough. Do not spill
coolant on a hot engin ...