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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Odometer: Service and Repair





Setting ahead total mileage counter in instrument cluster

NOTE: The kilometer reading must be set after replacement of the instrument cluster.


1. Set ahead with the Porsche System Tester 2.
- Select vehicle type (Boxster)
- Select control modules
- Select instrument cluster
- Select total mileage
- Input Vehicle Identification Number
- Confirm with key F7
- Input kilometer reading
- Code with key F8
2. The total mileage is adopted in the new instrument cluster after coding.