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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Programming and Relearning






CALIBRATION / NORMALIZATION

NOTE: If the Roof Control Module (RCM) and/or any sunroof component is replaced, and/or sunroof DTC's the sunroof has to be normalized.

1. The battery must be fully charge to complete normalization. Use battery charger if necessary.
2. Using a scan tool, under misc. functions, go to the Power Roof Module Normalize Sunroof.
3. Follow prompts on the scan tool.