On early build vehicles, the universal transmitter can be identified by the Homelink® symbol and one red indicator light.
On late build vehicles, the universal transmitter uses the Lear Car2U® System. It is identified by the lack of a symbol, but with 3 red indicator lights. Each of the 3 buttons has a red indicator light located behind the 3 buttons.
The universal transmitter is an integral part of the LH sun visor and provides a convenient way to substitute up to 3 hand-held transmitters with a single built-in device. The universal transmitter can learn the radio frequency codes of most current transmitters. The universal transmitter:
Homelink
Universal Transmitter Programming - General ProceduresFord Focus Climate Control System - General Information and Diagnostics
Climate Control System Operation
WARNING: Take the following
precautions when repairing an air conditioning system containing R-134a:
Always wear safety goggles.
Avoid contact with liquid refrigerant R-134a. R-134a vaporizes at approximately
-25°C (-13°F) under atmospheric pressure ...