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 Inspection







1. Remove the batteries.
2. Leave the batteries on the table for 30 minutes and allow them to warm to room temperature 20-30°C (68-86°F).
3. Measure the voltage of each battery by using a digital circuit tester.
4. Verify that the keyless entry system is functioning properly by operating the system with the second transmitter.