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Function Number of bulbsTrade
number
* Headlamp high beam 2 H7
* Headlamp low beam 2H11LL
(D3S [HID]
optional)
* Front park/turn signal
lamp23457AK
(amber)
* Front supplemental park
lamp4 168 NA
* Rear sidemarker lamp N/A LED
* Stop/tail lamp N/A LED
Rear turn signal lamp 2 HPC24A
* Supplemental tail lamp N/A LED
Backup lamp 2 921
License plate lamp 2 C5WL
High-mount brake lamp 1 921
Fog lamp 2 H11
Front map lamp 2 12V6W
Rear dome/reading lamp 6 578
Glove box lamp 1 194
Visor vanity lamp - Slide
on Rail system (SOR)2 37 or 14V1CP
Puddle lamp 2 W5W
Luggage compartment
lamp1 578
All replacement bulbs are clear in color except where noted.
To replace all instrument panel lights - see your authorized dealer.
* To replace these lamps - see your authorized dealer.
Replacing interior bulbs
Check the operation of all bulbs frequently.
Replacing exterior bulbs
Check the operation of all the bulbs frequently.
Lights
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Owners Guide, 1st Printing
USA(fus)
Page 66 of 345

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.
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.
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USA(fus)
Page 67 of 345
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.
Lights
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Owners Guide, 1st Printing
USA(fus)
Page 341 of 345

cleaning ...................................267
coolant .....................................283
fail-safe cooling .......................287
idle speed control ...................281
lubrication specifications .......307
refill capacities ........................307
service points ..........................276
starting after a collision .........237
Engine block heater .................205
Engine oil ..................................278
checking and adding ..............278
dipstick ....................................278
filter, specifications ........280, 306
recommendations ...................280
refill capacities ........................307
specifications ..........................307
Event data recording ....................6
Exhaust fumes ..........................205
F
Fail safe cooling ........................287
Fleet MyKey programming ........90
Floor mats ...................................88
Fluid capacities .........................307
Fog lamps ....................................54
Four-Wheel Drive vehicles
driving off road .......................229
Fuel ............................................289
calculating fuel
economy ............................20, 294
cap ...........................................291
capacity ...................................307
choosing the right fuel ...........292
detergent in fuel .....................293
filler funnel .............................293filling your vehicle
with fuel ..................289, 291, 294
filter, specifications ........288, 306
fuel pump shut-off switch .....237
improving fuel economy ........294
octane rating ...................292, 310
quality ......................................292
running out of fuel .........252, 293
safety information relating to
automotive fuels .....................289
Fuel pump shut-off switch .......237
Fuses ..................................238–239
G
Garage door opener ....................83
Gas cap (see Fuel cap) ............291
Gas mileage (see Fuel
economy) ...................................294
Gauges .........................................17
H
Hazard flashers .........................237
Headlamps ...................................52
aiming ........................................55
autolamp system .......................53
bulb specifications ....................59
daytime running lights .............54
flash to pass ..............................54
high beam .................................54
replacing bulbs .........................61
turning on and off ....................52
Heating
heating and air conditioning
system .................................44, 47
Hood ..........................................275
Index
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USA(fus)
Page 342 of 345

I
Ignition ...............................202, 310
Illuminated visor mirror .............70
Infant seats
(see Safety seats) .....................162
Inspection/maintenance (I/M)
testing ........................................299
Instrument panel
cleaning ...................................269
cluster ........................................12
lighting up panel and
interior .......................................55
J
Jack ............................................245
positioning ...............................245
storage .....................................245
Jump-starting your vehicle ......253
K
Keyless entry system
autolock .....................................95
keypad .....................................107
locking and unlocking doors ..108
programming entry code .......107
Keys .....................................89, 110
positions of the ignition .........202
L
Lamps
autolamp system .......................53
bulb replacement
specifications chart ..................59
daytime running light ...............54
fog lamps ...................................54
headlamps .................................52headlamps, flash to pass ..........54
instrument panel, dimming .....55
interior lamps .....................57, 60
replacing bulbs .........................61
LATCH anchors .........................166
Lights, warning and indicator ....12
anti-lock brakes (ABS) ..........208
Load limits .................................194
Locks
autolock .....................................95
childproof ..................................99
doors ..........................................95
Lubricant specifications ...........307
Lug nuts ....................................251
Lumbar support, seats .............118
M
Message center .....................18–19
english/metric button ...............23
system check button ................23
warning messages .....................23
Mirrors ...................................76–77
automatic dimming rearview
mirror ........................................76
heated ..................................47, 77
programmable memory ..........103
side view mirrors (power) .......77
Moon roof ....................................81
Motorcraftparts ..............273, 306
MyKey ..........................................90
N
Navigation system .......................43
Index
342
2011 MKZ(378)
Owners Guide, 1st Printing
USA(fus)