Page 62 of 318
4. Rotate the headlamp bulb
counterclockwise and remove the
headlamp bulb.
5. Disconnect the electrical connector.
Replacing HID headlamp bulbs (if equipped)
The low beam headlamps on your vehicle use a “high intensity discharge”
source. These lamps operate at a high voltage. When the bulb is burned
out, the bulb and starter capsule assembly must be replaced by your
authorized dealer.
Replacing redundant park bulbs
1. Make sure the headlamp switch is in the off position, then open the
hood.
2. At the wheel well, remove the
press pins from the splash shield,
then pull the splash shield back to
gain access to the bulbs.
2010 MKZ(378)
Owners Guide, 1st Printing
USA(fus)
Lights
62
Page 63 of 318
3. Remove the bulb socket by
rotating it counterclockwise, then
pull it out of the lamp assembly.
4. Carefully pull bulb straight out of
the socket
5. Install the new bulb socket into
the lamp assembly by aligning the
indexing fingers, then rotate
clockwise to the locked position.
2010 MKZ(378)
Owners Guide, 1st Printing
USA(fus)
Lights
63
Page 64 of 318
Replacing front parking lamp/turn signal bulb
For driver side replacement of the front parking lamp/turn signal
bulb, do the following:
WARNING:To reduce the risk of vehicle damage and/or
personal burn injuries do not start your engine with the air
cleaner removed and do not remove it while the engine is running.
1. Release the clamps (2) that secure the air filter housing cover.
2. Carefully separate the two halves of the air filter housing.
3. Locate the mass air flow sensor electrical connector on the air outlet
tube (1). This connector will need to be unplugged.
4. Remove the air filter assembly.
5. Remove the bolts on the air inlet (3), then remove the air inlet.
6. Reach over the front bolster to access the bulb.
7. Remove the bulb socket by rotating it counterclockwise, then pull it
straight out of the lamp assembly.
Reverse these steps to complete the process.
2010 MKZ(378)
Owners Guide, 1st Printing
USA(fus)
Lights
64
Page 65 of 318

For passenger side replacement of the front park/turn signal bulb,
see your authorized dealer.
Replacing stop/tail/turn and side marker bulbs
Your vehicle is equipped with a rear lamp that has a stop/tail/turn and
side marker lamp module containing integral multiple light emitting
diodes (LED). If one or more LEDs burn out, the complete lamp module
has to be replaced. See your authorized dealer for the replacement lamp.
Replacing rear turn signal bulbs
1. Make sure the headlamp switch is in the off position and open the
trunk.
2. Lift out trunk floor carpeting panel to access a luggage scuff plate
(hard molding) shingles and a trunk side panel (dark grey, soft
wheelhouse side trim panel) at the lamp area.
3. Carefully pull/push the trunk side panel (dark grey, soft wheelhouse
side trim panel) outboard to expose the lamp assembly. The most
effective point to grasp the trunk side panel when pulling it out from the
luggage scuff plate is at it’s bottom edge where that edge meets the
exposed sheet metal of the trunk floor.
Note:Do not allow the trunk side panel to remain bent and untucked
from the luggage scuff plate (hard molding) for a long period of time.
Doing so may result in permanent deformation.
4. Remove the bulb socket by
rotating it counterclockwise, then
pulling it out of the lamp assembly.
5. Pull the bulb from the socket and
push in the new bulb.
6. Install the bulb socket into the
lamp assembly by rotating it
clockwise.
7. Carefully push the trunk side
panel (dark grey, soft wheelhouse
side trim panel) back to the shingle position to the luggage scuff plate
(hard molding).
8. Reinstall the trunk floor carpeting panel.
2010 MKZ(378)
Owners Guide, 1st Printing
USA(fus)
Lights
65
Page 66 of 318

Replacing backup lamp/redundant tail lamp
The backup lamp and redundant tail lamps are located in the trunk lid.
Follow the same steps to replace either lamp.
1. Make sure the headlamp switch is
in the off position and open trunk to
access the lamp assembly.
2. Position the decklid trim aside by
removing 3 to 4 pin-type retainers
to expose the lamp assembly.
3. Remove the bulb socket by
rotating it counterclockwise, then
pull it out of the lamp assembly.
4. Pull the bulb from the socket and
push in the new bulb.
5. Install the bulb socket into the
lamp assembly by rotating it
clockwise.
6. Carefully reposition the trim back
to its original position and secure
the retainers.
Replacing high-mount brake lamp bulb
1. Make sure the ignition control is
in the off position.
2. Open the trunk and reach
underneath package tray to locate
lamp assembly.
3. Remove the bulb socket by
rotating it counterclockwise, then
pull it out of the lamp assembly.
4. Pull the bulb straight from the
socket and push in the new bulb.
5. Install the bulb socket into the lamp assembly by rotating it clockwise.
2010 MKZ(378)
Owners Guide, 1st Printing
USA(fus)
Lights
66
Page 67 of 318
Replacing license plate lamp bulbs
1. Make sure the headlamp switch is
in the off position.
2. Remove the screws from the
license plate lamp assembly.
3. Remove bulb socket by turning it
counterclockwise.
4. Carefully pull the bulb out from
the socket.
Install new bulb(s) in reverse order.
Replacing fog lamp bulbs
1. Make sure the fog lamp switch is
in the off position.
2. From underneath the vehicle,
partially remove the tire splash
shield by removing four drive
screws.
After removing to allow free access
to the front fog lamp bulb and
electrical wire harness, the splash shield flap can be repositioned.
3. Rotate the harness/bulb assembly
counterclockwise to remove from
the fog lamp.
4. Carefully disconnect the bulb
from the harness assembly via the
two snap clips.
Install the new bulb in reverse order.
2010 MKZ(378)
Owners Guide, 1st Printing
USA(fus)
Lights
67
Page 69 of 318
Windshield wiper rainlamp feature
When the windshield wipers are turned on during daylight, and the
headlamp control is in the autolamp position, the exterior lamps will turn
on after a brief delay and will remain on until the wipers are turned off.
TILT/TELESCOPE STEERING WHEEL
To adjust the steering wheel:
1. Pull the lever down to unlock the
steering column.
2. While the lever is in the down
position, move the steering wheel
up or down and in or out until you
find the desired position.
3. While holding the steering wheel
in place, pull the lever up to its
original position to lock the steering
column.
WARNING:Never adjust the steering wheel when the vehicle is
moving.
ILLUMINATED VISOR MIRROR
Lift the mirror cover to turn on the
visor mirror lamps.
2010 MKZ(378)
Owners Guide, 1st Printing
USA(fus)
Driver Controls
69
Page 74 of 318

WARNING:When closing the power windows, you should verify
they are free of obstructions and ensure that children and/or
pets are not in the proximity of the window openings.
Press and pull the switches to open
and close windows.
• Push down (to the first detent)
and hold the switch to open.
• Pull up (to the first detent) and
hold the switch to close.
Note: Refer to the Locks and Security chapter for theOpening front
windows and moon roof feature.
Rear Window Buffeting: When one or both of the rear windows are
open, the vehicle may demonstrate a wind throb or buffeting noise. This
noise can be alleviated by lowering a front window approximately two to
three inches.
Express down (One Touch Down, Front windows only)
Allows the driver and passenger’s
window to open fully without
holding the control down. Push the
switch completely down to the
second detent and release quickly.
The window will open fully.
Momentarily press the switch to any
position to stop the window
operation.
Express Up (One Touch Up, Front windows only)
Allows the driver and passenger’s
window to close fully without
holding the control up. Pull the
switch completely up to the second
detent and release quickly. The
window will close fully. Momentarily
press the switch to any position to
stop the window operation
Opening front windows and moon roof
Note: This feature is configured on, to turn this feature on or off contact
your authorized dealer.
A UTO A
UTO
2010 MKZ (378)
Owners Guide, 1st Printing
USA (fus)
Driver Controls
74