Ford F-Series Super Duty Class A 2019 Owner's Manual page 43

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Brake-Shift Interlock
WARNING: Do not drive your
vehicle until you verify that the
stoplamps are working.
WARNING: When doing this
procedure, you need to take the
transmission out of park (P) which
means your vehicle can roll freely. To
avoid unwanted vehicle movement,
always fully apply the parking brake prior
to doing this procedure. Use wheels
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. Have your
vehicle checked as soon as possible.
Your vehicle is equipped with a brake-shift
interlock feature that prevents moving the
gearshift lever from park (P) when the
ignition is in the on position and the brake
pedal is not pressed.
If you cannot move the gearshift lever out
of park (P) position with the ignition in the
on position and the brake pedal pressed,
a malfunction may have occurred. It is
possible that a fuse has blown or your
vehicle s brake lamps are not operating
properly. See Fuse Specification Chart
(page 71).
If the fuse is not blown and the brake
lamps are working properly, the following
procedure can allow you to move the
gearshift lever from park (P):
1.
Apply the parking brake. Turn key to
the lock position, and then remove the
key.
2. Disconnect the negative black battery
cable from the battery.
Motorhome (TY3) Canada/United States of America, enUSA, Edition date: 201803, Third-Printing-
Transmission
3. Insert the key and turn to the off
position. Shift the transmission to
neutral (N).
4. Reconnect the negative black battery
cable to the battery.
5. Start the vehicle.
Note: See your authorized dealer as soon
as possible if this procedure is used.
If Your Vehicle Gets Stuck In Mud
or Snow
Note: Do not rock your vehicle if the engine
is not at normal operating temperature or
damage to the transmission may occur.
Note: Do not rock your vehicle for more
than a minute or damage to the
transmission and tires may occur, or the
engine may overheat.
If your vehicle gets stuck in mud or snow,
you may rock it out by shifting between
forward and reverse gears, stopping
between shifts in a steady pattern. Press
lightly on the accelerator in each gear.
40

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