Automatic Crash Response
In a crash, built in sensors can automatically alert an OnStar advisor who is immediately connected to the vehicle to see if you need help.
See also:
TPMS Sensor Identification Codes
Each TPMS sensor has a unique identification
code. Any time you replace one or more of
the TPMS sensors or rotate the vehicle’s tires, the
identification codes will need to be matched to
the new ...
Cellular and GPS Antennas
Avoid placing items over or near the
antenna to prevent blocking cellular
and GPS signal reception. Cellular
reception is required for OnStar to
send remote signals to the vehicle. ...
Footnotes — Maintenance
Schedule Additional Required
Services — Severe
a) Or every two years, whichever
comes first.
b) Check all fuel and vapor lines
and hoses for proper hook-up,
routing, and condition. Check that
the purge valve, if the vehicle has
one, wor ...