Turn signal control, Map lamps (if equipped), Bulbs – FORD 2008 F-550 v.3 User Manual
Page 91: Headlamp condensation, Bulb replacement, Lights

TURN SIGNAL CONTROL
• Push down to activate the left
turn signal.
• Push up to activate the right turn
signal.
MAP LAMPS (IF EQUIPPED)
The dome lamp turns on when:
• any door is opened,
• the instrument panel dimmer
switch is rotated up until the
courtesy lamps come on, and
• any of the remote entry controls
are pressed and the ignition is
OFF.
BULBS
Headlamp condensation
The headlamps are vented to equalize pressure. When moist air enters
the headlamp(s) through the vents, there is a possibility that
condensation can occur. This condensation is normal and will clear
within 45 minutes of headlamp operation.
2008 F-250/350/450/550 (f23)
Owners Guide (post-2002-fmt)
USA (fus)
Lights
91
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