Ford 2013 MUSTANG Owner's Manual page 248

These are examples of unacceptable moisture (usually caused by a lamp
water leak):
• Water puddle inside the lamp.
• Large water droplets, drip marks or streaks present on the interior of
the lens.
Take your vehicle to a dealer for service if any of the above conditions of
unacceptable moisture are present.
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 and
turn signal assembly.
5. Carefully pull the bulb straight out of socket.
Install the new bulb in reverse order.
2013 05+ Mustang (197)
Owners Guide gf, 3rd Printing
USA (fus)
Maintenance
4. Rotate the socket
counterclockwise and remove from
the lamp assembly.
247