See also:

RW/FF
Pressing the RW (Rewind) or FF (Fast Forward) buttons causes the tuner to search for the next frequency in the direction of the arrows. This feature operates in either AM or FM frequencies. ...

Operating Instructions — Radio Mode
NOTE: The ignition switch must be in the ON/RUN or ACC position to operate the radio. ...

Vehicle Modifications/Alterations
WARNING! Any modifications or alterations to this vehicle could seriously affect its roadworthiness and safety and may lead to a accident resulting in serious injury or death. ...