FORD 2013 F-550 v.3 - Manual (Page 88)

INSTRUMENT LIGHTING DIMMER
Use to adjust the brightness of the
instrument panel and all applicable
lit components in the vehicle during
headlamp and parking lamp
operation.
• Tap the top or bottom of the
control to brighten/dim all
interior lit components
incrementally, or
• Press and hold at the first position the top or bottom of the control
until the desired lighting level is reached.
• Press and hold the top of the control to the full on position to activate
the “dome on” feature. This will turn on the interior courtesy lights.
The lights will remain on until the bottom of the control is pressed.
DAYTIME RUNNING LAMPS (DRL) (IF EQUIPPED)
WARNING: Always remember to switch your headlamps on in
low light situations or during inclement weather. The system
does not activate the tail lamps and may not provide adequate lighting
during these conditions. Failure to activate your headlamps under these
conditions may result in a collision.
The system switches the headlamps on with a reduced output in daylight
conditions.
To switch the system on:
1. Switch the ignition on.
2. Switch the lighting control to the off or parking lamp position.
3. Disengage the parking brake.
4. Make sure the transmission selector lever is not in position P.
Lighting 87
2013 F-250/350/450/550 (f23)
Owners Guide gf, 3rd Printing, December 2012
USA (fus)