Maintenance 275
General information...................................275
Opening and closing the hood............................276
Under hood overview..................................277
Engine oil dipstick....................................278
Engine oil check......................................278
Engine coolant check..................................279
Automatic transmission fluid check........................283
Brake fluid check.....................................284
Fuel filter...........................................284
Washer fluid check....................................285
Battery ............................................285
Checking the wiper blades..............................286
Changing the wiper blades..............................287
Air filter(s).........................................288
Adjusting the headlamps................................291
Changing a bulb......................................292
Removing a headlamp..................................293
Vehicle Care 298
Cleaning products.....................................298
Cleaning the exterior..................................298
Waxing.............................................300
Repairing minor paint damage............................300
Cleaning the engine...................................300
Cleaning the windows and wiper blades.....................301
Cleaning the interior...................................301
Cleaning the instrument panel and instrument cluster lens.......302
Cleaning leather seats..................................303
Cleaning the alloy wheels...............................303
Vehicle storage.......................................304
6Table of Contents
2013 Navigator(nav)
Owners Guide gf, 1st Printing
USA(fus)
Easy-Entry/Exit Feature (If Equipped)
If the easy entry/exit feature is enabled, this feature automatically moves
the driver’s seat rearward 2 inches (5 centimeters) when the transmission
selector lever is in positionPand the key is removed from the ignition.
If the seat is located less than 2 inches (5 centimeters) from the rear of
the seat track, the seat travel will be less than 2 inches (5 centimeters)
rearward.
The driver’s seat will return to the previous position when the key is put
in the ignition.
This feature is enabled or disabled through the information display. See
theInformation Displayschapter for more information.
Climate Controlled Seats (If Equipped)
Heated Seats
WARNING:Persons who are unable to feel pain to the skin
because of advanced age, chronic illness, diabetes, spinal cord
injury, medication, alcohol use, exhaustion, or other physical conditions,
must exercise care when using the seat heater. The seat heater may
cause burns even at low temperatures, especially if used for long
periods of time. Do not place anything on the seat that insulates against
heat, such as a blanket or cushion, because this may cause the seat
heater to overheat. Do not puncture the seat with pins, needles, or
other pointed objects because this may damage the heating element
which may cause the seat heater to overheat. An overheated seat may
cause serious personal injury.
Note:Do not do the following:
•Place heavy objects on the seat
•Operate the seat heater if water or any other liquid is spilled on the
seat. Allow the seat to dry thoroughly.
The heated seats will only function when the engine is running.
To operate the heated seats:
Press the heated seat symbol to cycle through the various
heat settings and off. Warmer settings are indicated by
more indicator lights.
Seats159
2013 Navigator(nav)
Owners Guide gf, 1st Printing
USA(fus)
IGNITION SWITCH
Note:To switch the engine off when your vehicle is moving, move the
transmission selector lever to positionN.Use the brakes to bring your
vehicle to a safe stop. After your vehicle has stopped, switch the engine
off and move the transmission selector lever to positionP.Turn the key
to the accessory or off position.
Note:Do not store the key in the ignition after the vehicle is turned off
and you have left the vehicle. This could cause a drain on the battery.
A.Off:The ignition is off.
B.Accessory:Allows the electrical accessories, such as the radio, to
operate while the engine is not running.
C.On:All the electrical circuits are operational. Warning lights are
illuminated. This is the key position when driving.
D.Start:Cranks the engine. Release the key as soon as the engine
starts.
STARTING A GASOLINE ENGINE
When the engine starts, the idle RPM runs faster to warm the engine. If
the engine idle speed does not slow down automatically, have the vehicle
checked.
Before starting the vehicle:
•Make sure all occupants buckle their safety belts.
•Make sure the headlamps and electrical accessories are off.
•Make sure the parking brake is set.
•Make sure the gearshift is in positionP.
•Turn the key to on without turning the key to start.
Some warning lights briefly illuminate.
C
D
B
A
186Starting and Stopping the Engine
2013 Navigator(nav)
Owners Guide gf, 1st Printing
USA(fus)
AUTOMATIC TRANSMISSION
WARNING:Always set the parking brake fully and make sure
the gearshift is latched in P (Park). Turn the ignition to the
LOCK position and remove the key whenever you leave your vehicle.
WARNING:Do not use the Tow/Haul feature when driving in icy
or slippery conditions as the increased engine braking can cause
the rear wheels to slide and the vehicle to swing around with the
possible loss of vehicle control.
Your vehicle has been designed to improve fuel economy by reducing
fuel usage while coasting or decelerating. When you take your foot off
the accelerator pedal and the vehicle begins to slow down, the torque
converter clutch locks up and aggressively shuts off fuel flow to the
engine while decelerating. This fuel economy benefit may be perceived
as a light to medium braking sensation when removing your foot from
the accelerator pedal.
This vehicle is equipped with an Adaptive Transmission Shift Strategy.
The Adaptive Transmission Shift Strategy offers the optimal transmission
operation and shift quality. When the engine is turned off, the shift data
which includes the adaptive information will be stored automatically in
the Powertrain Control Module. If the battery is disconnected for any
reason, the stored information from the last time the key was turned to
off will be read. This way, no information will be lost with any battery
removal or battery disconnect.
200Transmission
2013 Navigator(nav)
Owners Guide gf, 1st Printing
USA(fus)
D (Drive with Overdrive) with Tow/Haul On
The Tow/Haul feature improves
transmission operation when towing
a trailer or a heavy load. All
transmission gear ranges are
available when using Tow/Haul.
To activate Tow/Haul, press the
button on the side of the gearshift
lever.
The TOW HAUL indicator light will
illuminate in the instrument cluster.
Tow/Haul delays upshifts to reduce frequency of transmission shifting.
Tow/Haul also provides engine braking in all forward gears when the
transmission is in the D (Drive with Overdrive) position; this engine
braking will slow the vehicle and assist the driver in controlling the
vehicle when descending a grade. Depending on driving conditions and
load conditions, the transmission may downshift, slow the vehicle and
control the vehicle speed when descending a hill, without the accelerator
pedal being pressed. The amount of downshift braking provided will vary
based upon the amount the brake pedal is depressed.
To deactivate the Tow/Haul feature and return to normal driving mode,
press the button on the end of the gearshift lever. The TOW HAUL light
will no longer be illuminated.
When you shut-off and restart the engine, the transmission will automatically
return to normal D (Drive with Overdrive) mode (Tow/Haul OFF).
3 (Third) (column-shift only)
Transmission operates in third gear only.
Used for improved traction on slippery roads.
2 (Second)
Transmission operates in 2nd gear only.
Use 2 (Second) to start-up on slippery roads.
1 (First)
•Transmission operates in 1st gear only.
•Provides maximum engine braking.
T/H T/H
PR
N
D
3
2
1
202Transmission
2013 Navigator(nav)
Owners Guide gf, 1st Printing
USA(fus)
•Allows upshifts by moving gearshift lever.
•Will not downshift into 1 (First) at high speeds; allows for 1 (First)
when vehicle reaches slower speeds.
Forced downshifts
•Allowed in D (Drive) only.
•Press the accelerator to the floor.
•Allows transmission to select an appropriate gear.
Automatic Transmission Adaptive Learning
This feature is designed to increase durability and provide consistent
shift feel over the life of the vehicle. A new vehicle or transmission may
have firm shifts, soft shifts or both. This operation is considered normal
and will not affect function or durability of the transmission. Over time,
the adaptive learning process will fully update transmission operation.
Additionally, whenever the battery is disconnected or a new battery
installed, the strategy must be relearned.
Brake-Shift Interlock – Floor-Shift Transmission
WARNING:Do not drive your vehicle until you verify that the
brake lamps are working.
WARNING:When doing this procedure, you will be taking the
vehicle out of park which means the vehicle can roll freely. To
avoid unwanted vehicle movement, always fully set the parking brake
prior to doing this procedure. Use wheel chocks if appropriate.
WARNING:If the parking brake is fully released, but the brake
warning lamp remains illuminated, the brakes may not be
working properly. See your authorized dealer.
This vehicle is equipped with a brake-shift interlock feature that prevents
the gearshift lever from being moved from P (Park) when the ignition is
in the on position unless the brake pedal is pressed.
If you cannot move the gearshift lever out of P (Park) with ignition in
the on position and the brake pedal pressed, it is possible that a fuse has
blown or the vehicle’s brake lamps are not operating properly. Refer to
Fuseschapter for more information.
Transmission203
2013 Navigator(nav)
Owners Guide gf, 1st Printing
USA(fus)
AVehicle without AdvanceTrac
with RSCskidding off its intended
route.
BVehicle with AdvanceTracwith
RSCmaintaining control on a
slippery surface.
USING ADVANCETRACWITH RSC(IF EQUIPPED)
The system automatically activates when you start your engine. The
AdvanceTracwith RSCsystem cannot be completely turned off, but
the ESC and RSCportions of the system are disabled when the
transmission is in positionR. The traction control portion of the system
can be turned off independently. See theTraction Controlchapter.
Stability Control217
2013 Navigator(nav)
Owners Guide gf, 1st Printing
USA(fus)
Trailer Lamps
Trailer lamps are required on most towed vehicles. Make sure all running
lights, brake lights, turn signals and hazard lights are working. Contact
your authorized dealer or trailer rental agency for proper instructions
and equipment for hooking up the lamps.
Before Towing a Trailer
Practice turning, stopping and backing up to get the feel of the
vehicle-trailer combination before starting on a trip. When turning, make
wider turns so the trailer wheels will clear curbs and other obstacles.
When Towing a Trailer
•Do not drive faster than 70 mph (113 km/h) during the first 500 miles
(800 kilometers).
•Do not make full-throttle starts.
•Check your hitch, electrical connections and trailer wheel lug nuts
thoroughly after you have traveled 50 miles (80 kilometers).
•When stopped in congested or heavy traffic during hot weather, place
gearshift in positionPto aid engine and transmission cooling and to
help A/C performance.
•Turn off the speed control with heavy loads or in hilly terrain. The
speed control may turn off automatically when you are towing on
long, steep grades.
•Shift to a lower gear when driving down a long or steep hill. Do not
apply the brakes continuously, as they may overheat and become less
effective.
•If your transmission is equipped with a Grade Assist or Tow/Haul
feature, use this feature when towing. This provides engine braking
and helps eliminate excessive transmission shifting for optimum fuel
economy and transmission cooling.
•If your vehicle is equipped with AdvanceTrac™ with RSC, you may
experience AdvanceTrac™ with RSC activations during typical
cornering maneuvers with a heavily loaded trailer; this is normal.
Cornering at a slower speed while towing reduces the tendency of the
AdvanceTrac™ stability enhancement system to activate.
•If you are towing a trailer frequently in hot weather, hilly conditions,
at GCWR (or any combination of these factors), consider refilling
your rear axle with synthetic gear lubricant, if not already so
equipped. See theCapacities and Specificationschapter for the
lubricant specification.
Towing245
2013 Navigator(nav)
Owners Guide gf, 1st Printing
USA(fus)