Vehicle features, Radio(s), Vehicle features -13 – Hummer 2010 H3 User Manual
Page 17: Roof rack system, Radio(s) -13

In Brief
1-13
4
m Q
(Four-Wheel-High Lock):
When extra traction is needed in
most off-road situations.
4
n Q
(Four-Wheel-Low Lock):
Delivers extra torque to all
four wheels. Used for extreme
off-road conditions. See Four-Wheel
Drive on page 9‑46.
Vehicle Features
Radio(s)
Six-Disc CD Radio
For more information about these
and other radio features, see
Operation on page 7‑2.
Control Buttons
P
(Power/Volume): Press to turn
the system on and off.
Turn to increase or to decrease the
volume.