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 
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Advisor can run a check.
See also:
Pulling a Trailer
Here are some important points:
- There are many laws, including speed limit restrictions that apply to
trailering. Check for legal requirements.
- Do not tow a trailer at all during the first ...
FCC Information
See Radio Frequency Statement for information
regarding Part 15 of the Federal
Communications Commission (FCC)
rules and Industry Canada
Standards RSS-GEN/210/220/310. ...
Rear Climate Control System
For vehicles with the rear heat and air conditioning controls, they are
integrated with the rear seat audio controls located in the center console.
Rear Climate Control with Rear
Seat Audio C ...