Fuel
Use of the recommended fuel is an important part of the proper maintenance of your vehicle.
To help keep your engine clean and maintain optimum vehicle performance, GM recommends the use of gasoline advertised as TOP TIER Detergent Gasoline.
See also:
Setting the Tone
(Bass/Midrange/Treble)
BASS/MID/TREB (Bass, Midrange, or Treble): The
radio may display some or all tones, such as BASS,
MID, and TREB. To adjust the tone settings, press the
knob until the tone control tabs
displa ...
Shuffle (Radio with CD)
Turn the Menu knob and set Shuffle
Songs (Random) to On or Off, then
press the BACK button to return
the main screen.
On: Plays tracks in the current
folder in random order.
Off: Plays trac ...
Gasoline Specifications (U.S. and Canada Only)
At a minimum, gasoline should meet
ASTM specification D 4814
in the United States or CAN/CGSB-3.5 or 3.511 in Canada.
Some gasolines contain an
octane-enhancing additive called
methylcyclopen ...
