Ford 2011 Mariner Owner's Manual page 62

Lights
Replacing fog lamp bulbs (if equipped)
1. Make sure the fog lamp switch is
in the off position.
2. From underneath the vehicle,
rotate the harness/bulb assembly
counterclockwise, to remove from
the fog lamp.
3. Carefully disconnect the bulb
from the harness assembly via the
two snap clips.
Install the new bulb in reverse order.
62
2011 Mariner (mrn)
Owners Guide, 2nd Printing
USA (fus)