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:
Compass
There is a compass display in the Driver Information Center (DIC). The compass
receives its heading and other information from the Global Positioning System (GPS)
antenna, StabiliTrak, and vehicle ...
Compass Zone
Your dealer/retailer will set the correct zone for your
location. If the zone is not set to your location or
you drive out of the area, the variance needs to be
changed to the appropriate zone.
...
Fuel E85 (85% Ethanol)
If the vehicle has the 3.9L V6 engine (VIN Code M), you
can use either unleaded gasoline or ethanol fuel
containing up to 85% ethanol (E85). See Fuel. In all other engines, use only the unleaded
...
