Jeep 2006 Wrangler - Manual (Page 154)

NOTE: On vehicles so equipped the radio, steering
wheel radio controls and 6 disc CD/DVD changer will
remain active for up to 45 seconds after the ignition
switch has been turned off. Opening a vehicle front door
will cancel this feature.
SALES CODE RBK—AM/ FM STEREO RADIO
WITH CD PLAYER AND CD CHANGER
CONTROLS
NOTE: The radio sales code is located on the lower left
side of your radio faceplate.
Radio Operation
Power/Volume Control
Press the ON/VOL control to turn the radio on. Turn the
volume control clockwise to increase the volume.
RBK Radio
154 UNDERSTANDING YOUR INSTRUMENT PANEL