Adjusting the EQ (Equalizer)
For vehicles with an equalizer:
1. Press the TONE button.
2. Select EQ.
3. Select the setting.
Press the 
BACK button to go
back to the Tone Settings menu.
See also:
Headlamp High/Low-Beam Changer
(Headlamp High/Low-Beam
Changer): Push the turn signal/lane change lever away from you
and release, to turn the high beams
on. To return to low beams, push
the lever again or pull it toward y ...
Highway Hypnosis
Always be alert and pay attention to your surroundings
while driving. If you become tired or sleepy, find a
safe place to park your vehicle and rest.
Other driving tips include:
• Keep the veh ...
Cellular and GPS Antennas
Avoid placing items over or near the
antenna to prevent blocking cellular
and GPS signal reception. Cellular
reception is required for OnStar to
send remote signals to the vehicle. ...