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:
Engine Coolant
The cooling system in your vehicle is filled with
DEX-COOL® engine coolant. This coolant is
designed to remain in your vehicle for five years or
150,000 miles (240 000 km), whichever occurs
first ...
OnStar® Hands-Free Calling
OnStar® Hands-Free Calling allows eligible
OnStar® subscribers to make and receive calls
using voice commands. Hands-Free Calling is fully
integrated into the vehicle, and can be used
with OnSta ...
Creating Playlists
To create a playlist using tracks
stored in MEM:
1. Select Playlist from the MEM
favorites.
2. Select the track to be stored in
the playlist.
3. Press and hold one of the 1 to 6
buttons unt ...
