2008 FORD SUPER DUTY Owners Manual

Warning messages that have been reset are divided into two categories:
•They will reappear on the display ten minutes from the reset.
•They will not reappear until an ignition OFF-RUN cycle has been
completed.
This acts as a reminder that these warning conditions still exist within
the vehicle.
Warning display Status
Park brake engaged Warning returns after
10 minutes if condition
still exists. Check brake system
Driver door ajar Warning returns after
the ignition key is
turned from OFF to
RUN. Passenger door ajar
Rear left door ajar
Rear right door ajar
Low fuel level
Trailer fault (if equipped)
TBC fault (if equipped)
Trailer disconnected (if equipped)
Check air filter (Diesel engine only)
Low brake fluid level
Drain water separator (Diesel engine only)
DRIVER DOOR AJARDisplayed when the driver’s door is not
completely closed.
PASSENGER DOOR AJARDisplayed when the passenger’s door is not
completely closed.
REAR LEFT DOOR AJARDisplayed when the rear left door is not
completely closed.
REAR RIGHT DOOR AJARDisplayed when the rear right door is not
completely closed.
LOW FUEL LEVEL
Displayed as an early reminder of a low fuel condition.
PARK BRAKE ENGAGEDDisplayed when the parking brake is applied
(or not fully released).
CHECK BRAKE SYSTEMDisplayed when a fault has been detected by
the ABS module.
2008 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Driver Controls
129

TRAILER FAULT (if equipped):Displayed if there is a short circuit on
the electric brake output wire or the trailer brakes are drawing too much
current. Refer toIntegrated trailer brake controllerin theTires,
Wheels and Loadingchapter for more information.
TBC FAULT (if equipped):Displayed in response to faults sensed by
the trailer brake controller (TBC). In the event this message is seen,
please take your vehicle to an authorized dealer for diagnosis and repair.
Refer toIntegrated trailer brake controllerin theTires, Wheels and
Loadingchapter for more information.
TRAILER DISCONNECTED (if equipped):Displayed when a trailer
connection becomes disconnected, either intentionally or unintentionally,
and has been sensed during a given ignition cycle. Refer toIntegrated
trailer brake controllerin theTires, Wheels and Loadingchapter for
more information.
CHECK AIR FILTER (Diesel engine only):Refer toInstrument
Clusterin your6.0/6.4 Liter Power Stroke Direct Injection Turbo
Diesel Owner’s Guide Supplement.
LOW BRAKE FLUID LEVELIndicates the brake fluid level is low and
the brake system should be inspected immediately. Refer toBrake fluid
in theMaintenance and Specificationschapter.
DRAIN WATER SEPARATOR (Diesel engine only)Displayed when
the water separator has reached a predetermined capacity and needs to
be drained. Refer to your6.0/6.4 Liter Power Stroke Direct Injection
Turbo Diesel Owner’s Guide Supplementfor more information.
2008 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Driver Controls
130

TAILGATE LOCK (IF EQUIPPED)
Your vehicle may be equipped with a
tailgate lock designed to help
prevent theft of the tailgate.
•Insert ignition key and turn to the
right to engage lock.
•Turn ignition key to the left to
unlock.
Tailgate removal
Your tailgate is removable to allow
more room for loading.
1. Lower the tailgate.
2. Use a screwdriver to pry the
spring clip (on each connector) past
the head of the support screw.
Disconnect cable.
3. Disconnect the other cable.
4. Lift tailgate to a 45° angle.
5. Lift right side off of its hinge.
6. Lift tailgate back up to within 10° of its closed position while keeping
the right-hand side of the tailgate close to the box.
7. Pull left-hand hinge straight to the right to disengage the left-hand
tailgate hinge socket from the left-hand box pivot post.
8. Lift left side off of its hinge.
To install, follow the removal procedures in reverse order.
2008 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Driver Controls
131

Tailgate step (if equipped)
Your vehicle may be equipped with a feature that allows easier entry into
the truck bed. To open the tailgate step:
1. Flip down the tailgate.
2. Pull the yellow latch lever to the
Unlock positon (
) to release the
grab handle from it’s stowed postion
and raise the handle upright until
you feel it latch and see the latch
lever in the Lock positon (
). The
yellow lever only needs to be used
when releasing the grab handle.
3. Rotate the center molding to
unlatch the tailgate.
4. Flip open the panel to widen the
step.
Note:To reduce risk of falling:
•Operate step only when the
vehicle is on level surface.
•Operate step only in areas with
sufficient lighting
•Always open flip panel to widen step.
•Always use grab handle when stepping up and down.
•Step not intended for bare-footed use.
•Keep step clean from contamination before use (e.g. snow, mud)
•Keep the step load (you + load) below 350 lbs. (159 kg).
•Never drive with step deployed.
To close the tailgate step:
1. Close the step panel, then lift and fully close the tailgate step into the
tailgate.
2. Slide the latch at the bottom of the handle, then lower the handle.
Note:
•Fully close and latch the tailgate step before moving the vehicle.
•Never drive with the step or grab handle deployed.
2008 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Driver Controls
132

•Replace slip resistance tape (serviceable item) if worn out.
•Replace handle molding (serviceable item) if damaged.
•Do not tow with grab handle or step frame.
Bed extender (if equipped)
Your vehicle may be equipped with a cargo management feature in the
truck bed.
Note:This feature is not intended for off-road usage.
To open the bed extender into Tailgate Mode:
1. Pull the locking pin toward the
center of the vehicle.
2. Rotate the storage hinge rearward
to unlatch the panels.
2008 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Driver Controls
133

3. Rotate the panels toward the
tailgate.
Repeat Steps 1–3 for the other side of the bed extender.
4. Connect the two panels, then rotate both knobs a quarter-turn
clockwise to secure the panels.
5. Ensure the latch rod is inserted
into the tailgate hole and the locking
pins on both sides are engaged into
their holes in the pick-up box.
6. Reverse steps for storage of the
bed extender.
2008 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Driver Controls
134

Note:When the vehicle is in motion, ensure the locking pins and knobs
are fully engaged.
Note:Ensure all cargo is secured.
Note:When the vehicle is in motion, the tailgate load must not exceed
150 lbs. (68 kg).
To open the bed extender into Grocery Mode, follow Steps 1–5 by
rotating the panels away from the tailgate.
2008 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Driver Controls
135

KEYS
The key operates all locks on your vehicle. You should always carry a
second key with you in a safe place in case you require it in an
emergency.
If your vehicle is equipped with the SecuriLockPassive Anti-theft
system, your keys are coded to your vehicle; using a non-coded key will
not permit your vehicle to start. If you lose your dealer supplied keys,
replacement keys are available through your authorized dealer.
POWER DOOR LOCKS (IF EQUIPPED)
Press control to unlock all doors.
Press control to lock all doors.
Smart locks (if equipped)
This feature helps prevent you from locking yourself out of the vehicle if
your key is still in the ignition.
When you open the driver’s door and you lock the vehicle with the
power door lock control, all the doors will lock, then the driver’s door
will automatically unlock reminding you that your key is still in the
ignition.
The vehicle can still be locked, with the key in the ignition, using the
manual lock button on the door, locking the driver’s door with a key, by
simultaneously pressing button 7•8 and the 9•0 controls on the
remote entry keypad (if equipped), or using the lock button on the
remote entry transmitter (if equipped).
Autolock feature (if equipped)
The autolock feature will lock all the doors when:
•all the doors are closed,
2008 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Locks and Security
136