FORD 2012 Focus v.4 - Manual (Page 128)

Examples of unacceptable moisture (usually caused by a lamp water
leak) are:
• 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.
Using the right bulbs
Replacement bulbs are specified in the chart below. Headlamp bulbs
must be marked with an authorized “D.O.T.” for North America to ensure
lamp performance, light brightness and pattern and safe visibility. The
correct bulbs will not damage the lamp assembly or void the lamp
assembly warranty and will provide quality bulb burn time.
Function Trade number
Headlamps high beam H1
Headlamp low beam H11LL
Turn lamp (front) W21W
Park/Side marker lamp (front) 168NA
Fog lamps (if equipped) H11 LL
Stop/tail lamp 3157K
Turn lamp 3757AK
Backup lamp 921
*License plate lamp LED
* High-mount brake lamp LED
* To replace these lamps - see your authorized dealer.
To replace all instrument panel lights - see your authorized dealer
Replacing interior bulbs
Check the operation of all bulbs frequently.
Lights
128
2012 Focus (foc)
Owners Guide, 4th Printing
USA (fus)