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)

Or, hide this message: temporarily or permanently

Steering Mounted Controls Transmitter: Testing and Inspection

Steps 1-3:

Steps 4-11:

"For a description of the RPO Code(s) Shown in this article or any of the images therein, refer to the RPO Code List found at Vehicle/Application and ID."