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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Component Tests and General Diagnostics

Resetting Check Engine Lamp:





The Check Engine light will illuminate at 80,000 miles to indicate emission maintenance is required. After performing required services the check engine light may be reset by removing the instrument cluster and then move the malfunction indicator light set screw to the open position.