OnStar

See also:

STABILITRAK NOT READY
This message may display after first driving the vehicle and exceeding 30 km/h (19 mph) for 30 seconds. The TCS/StabiliTrak warning light on the instrument panel cluster also comes on. The St ...

Tips and Troubleshooting Chart
...

Safety Belt Care
Keep belts clean and dry. WARNING Do not bleach or dye safety belts. It may severely weaken them. In a crash, they might not be able to provide adequate protection. Clean safety belts only wi ...