STARTING
Positions of the ignition
1. Off — locks the automatic
transmission gearshift lever and
allows key removal. Note: In order
to switch off the engine while the
vehicle is in motion, shift to neutral
and use the brakes to bring the
vehicle to a safe stop. After the
vehicle has stopped, turn the engine
off and shift into park. Then, turn
the key to the accessory or off
position.
Note: The ignition key cannot be removed from the ignition unless the
gearshift lever is securely latched in P (Park).
2. Accessory — allows the electrical accessories, such as the radio, to
operate while the engine is not running.
3. On — all the electrical circuits are operational. Warning lights are
illuminated. This is the key position when driving.
4. Start — cranks the engine. Release the key as soon as the engine
starts.
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.
Preparing to start your vehicle
Engine starting is controlled by the powertrain control system.
The powertrain control system meets all Canadian interference-causing
equipment standard requirements regulating the impulse electrical field
strength of radio noise.
When starting a fuel-injected engine, don’t press the accelerator before
or during starting. Only use the accelerator when you have difficulty
starting the engine. For more information on starting the vehicle, refer to
Starting the engine in this chapter.
WARNING: Extended idling at high engine speeds can produce
very high temperatures in the engine and exhaust system,
creating the risk of fire or other damage.
Driving
285
2012 F-150 (f12)
Owners Guide, 3rd Printing
USA (fus)
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