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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Battery Replacement





(1) Separate the transmitter at the middle seam.

(2) Remove and discard the old batteries.

(3) Install the replacement CR 2016 batteries. Be sure the batteries are positioned according to polarity as indicated on the transmitter battery receptacles.

(4) Assemble the transmitter and verify the correct battery installation. The voltage indicator Tight will glow when the batteries are properly installed.