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:
Navigation System
The vehicle’s navigation system provides detailed maps
of most major freeways and roads throughout the
United States and Canada. After a destination has been
set, the system provides turn-by-t ...
Repair Facility
GM also recommends that you choose a collision repair facility that meets your
needs before you ever need collision repairs. Your dealer may have a collision repair
center with GM-trained technici ...
Radio Messages
CAL ERR (Calibration Error): The audio system
has been calibrated for your vehicle from the
factory. If CAL ERR displays, it means that the
radio has not been configured properly for
the vehicle a ...
