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Turn signal
Illuminates when the left or right turn signal or the hazard
warning flasher is turned on. If the indicators stay on or flash
faster, check for a burned out bulb.
Upshift (if equipped)
To maximize fuel economy, this light illuminates when the
manual transmission should be shifted to the next highest gear.
AUDIBLE WARNINGS AND INDICATORS
Key In Ignition Warning Chime
Sounds when the key is left in the ignition in the off or accessory
position and the driver’s door is opened.
Sounds when the keyless vehicle is in RUN and the driver’s door is
opened (if equipped).
Headlamps On Warning Chime
Sounds when the headlamps or parking lamps are on, the ignition is off
(the key is not in the ignition) and the driver’s door is opened.
Parking Brake On Warning Chime
Sounds when you have left the parking brake on and drive your vehicle.
If the warning chime remains on after you have released the parking
brake, have the system checked by your authorized dealer immediately.
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Replacing HID headlamp bulbs
The headlamps on your vehicle use a “high intensity discharge” source.
These lamps operate at a high voltage. When the bulb is burned out, the
bulb and starter capsule assembly must be replaced by your authorized
dealer.
Replacing front parking lamp/turn signal bulbs
1. Make sure the headlamp control is in the off position and open the hood.
2. Remove the hex head screws attaching the beauty shield at the top,
forward edge of the engine compartment just aft of the headlamps.
3. Remove the beauty shield to gain access to the front parking lamp/turn
signal assembly.
4. Rotate the socket
counterclockwise and remove from
the lamp assembly.
5. Carefully pull the bulb straight out of socket.
Install the new bulb in reverse order.
Replacing front sidemarker bulb
1. Make sure the headlamp control is in the off position.
2. Remove the hex head screws
attaching the underbody forward
aeroshield.
3. Remove the underbody forward
aeroshield to gain access to the
front sidemarker assembly.
4. Rotate the socket counterclockwise and remove from the lamp assembly.
244Maintenance
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Owners Guide gf, 1st Printing
USA(fus)
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5. Carefully pull the bulb straight
out of socket.
Replacing fog lamp bulbs (V6) (if equipped)
1. Make sure the headlamp control is in the off position and open the hood.
2. Remove the hex head screws
attaching the underbody forward
aeroshield.
3. Remove the underbody forward
aeroshield to gain access to the fog
lamp assembly.
4. Disconnect the electrical
connector from the bulb by pulling
it straight off.
5. Rotate the bulb counterclockwise and remove from the lamp assembly.
Install the new bulb in reverse order.
Replacing fog lamp bulbs (GT)
Your vehicle is equipped with LED fog lamp bulbs. It is designed to last
the life of the vehicle. If replacement is required, it is recommended that
you see your authorized dealer.
Replacing tail lamp/brake/rear turn signal lamps
Your vehicle is equipped with LED tail lamp/brake/rear turn signal lamps.
It is designed to last the life of the vehicle. If replacement is required, it
is recommended that you see your authorized dealer.
Replacing backup bulbs
Your vehicle is equipped with LED backup lamps. They are designed to
last the life of the vehicle. If replacement is required, it is recommended
that you see your authorized dealer.
Maintenance245
2013 05+ Mustang(197)
Owners Guide gf, 1st Printing
USA(fus)