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:
Automatic Dimming Rearview Mirror with OnStar® and Compass
Your vehicle may have an automatic-dimming
rearview mirror with a compass and the OnStar®
system.
There are three additional buttons for the OnStar®
system. See your dealer for more informatio ...
Voice Recognition
The voice recognition system uses commands to control the system and dial phone
numbers.
Noise: The system may not recognize voice commands if there is too much background
noise.
When to Speak: ...
License Plate Lamp
To replace one of these bulbs:
Passenger Side Shown, Driver Side Similar
1. Push the release tab (A) toward the lamp assembly.
2. Pull the lamp assembly down to remove.
A. Bulb Socket
B. B ...
