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!

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Keyless Entry Transmitter: Description and Operation

The keyless entry transmitter is the primary device to disarm the theft deterrent system. Pressing the lock button arms the system. Pressing the unlock button disarms the system. The remote transmitter also has a panic button. Press this button to sound the car alarm, press it again to turn the alarm off.