Ford F-250 Owner's Manual page 88

Lights
Daytime running lamps (DRL) (if equipped)
Turns the headlamps on with a reduced output.
To activate:
• the ignition must be in the on position,
• the headlamp control is in the off or parking lamp position and
• the parking brake must be disengaged.
WARNING: Always remember to turn on your headlamps at
dusk or during inclement weather. The Daytime Running Lamp
(DRL) system does not activate the tail lamps and generally may not
provide adequate lighting during these conditions. Failure to activate
your headlamps under these conditions may result in a collision.
PANEL DIMMER CONTROL
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.
AIMING THE HEADLAMPS
Your vehicle is equipped with an aerodynamic headlamp system. The
aerodynamic headlamps can only be aimed in the vertical direction
(up/down) using the procedure following. The headlamps on your vehicle
are properly aimed at the assembly plant and should not normally need
adjustment.
88
2011 F-250/350/450/550 (f23)
Owners Guide, 3rd Printing
USA (fus)