Ford Focus Owner's Manual page 132

Lights
Replacing license plate lamp assembly
Your vehicle is equipped with an LED license plate lamp assembly. It is
designed to last the life of the vehicle. If replacement is required, it is
recommended that you see your authorized dealer.
Replacing high-mount brake lamp assembly
Your vehicle is equipped with an LED center high-mount stop lamp. It is
designed to last the life of the vehicle. If replacement is required, it is
recommended that you see your authorized dealer.
132
2012 Focus (foc)
Owners Guide, 5th Printing
USA (fus)