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:
Instrument Panel Fuse Block
The instrument panel fuse block access door is located on the driver side edge of the instrument panel.
Pull off the cover to access the fuse block.
The vehicle may not be equipped with all of t ...
Adjusting the Speakers (Balance/Fade)
BAL/FADE (Balance/Fade):
To adjust the balance or fade:
1. Press until the speaker control tabs display.
2. Continue pressing to highlight the tab, or press the softkey under the tab.
3. To adju ...
Safety
Standard safety features include:
Side curtain airbags
Antilock brakes
Electronic stability system ...