Footnotes — Maintenance Schedule Additional Required Services — Normal
a) 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, works properly. Replace as needed.
b) Or every four years, whichever comes first.
c) Or every five years, whichever comes first. See Cooling System .
d) Or every 10 years, whichever comes first. Inspect for fraying, excessive cracking, or damage; replace, if needed.
See also:
Anti-theft Alarm System Messages
THEFT ATTEMPTED
This message displays if the vehicle detects a tamper condition. ...
Rear Door Security Locks
Your vehicle may have this feature. You can lock
the rear doors so they cannot be opened from
the inside by passengers. To use one of
these locks do the following:
1. Open one of the rear doors. ...
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 ...