Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring System. If a diagnostics check is needed between e-mails, push
, and an Advisor can run a check.
See also:
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, ...
Resetting the Power Foldaway Mirrors
Reset the power foldaway mirrors if:
• The mirrors are accidentally obstructed while folding.
• They are accidentally manually folded/unfolded.
• The mirrors will not stay in the unfolded pos ...
Pulling a Trailer
Here are some important points:
○ There are many laws, including speed limit restrictions that apply to trailering.
Check for legal requirements with state or provincial police.
○ Do n ...





