Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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System Components

The transmitter is a battery powered, water resistant, radio frequency signal generator. Each transmitter is uniquely recognized by the Remote Function Actuator (RFA) module. The RFA module is capable of recognizing up to 4 transmitters. Replacement or spare transmitters for the vehicle may be obtained. The RFA module must be reprogrammed in order to accept the new transmitter.

This system allows 1 transmitter to be matched to as many different factory equipped RFA Cadillacs as the owner chooses. In order to program several cars to 1 transmitter, follow the reprogramming procedure for each of the vehicles using the desired same transmitter. Each vehicle has 2 transmitters labeled transmitter #1 and transmitter #2. Each transmitter is recognized individually by the RFA module and sets programmable features to the correct setting for each transmitter.