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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Transmitter Battery Replacement

Transmitter Battery Replacement:




NOTICE: DO NOT touch circuit board or battery contact points, transmitter failure or battery failure may result.

DISASSEMBLE
1. Insert bottom of GM door key into notch in bottom of transmitter and turn.
2. Remove battery and discard.

ASSEMBLE
1. Insert battery as shown in illustration (+ side down).
2. Align both halves of transmitter and snap together.
3. Press "LOCK" and "UNLOCK" simultaneously for 7 seconds to synchronize transmitters.