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)

Or, hide this message: temporarily or permanently

Clearing Diagnostic Trouble Codes

1. Clearing Stored Codes. (Long Term Memory)

a. Turn "OFF" the ignition.
b. Remove the tail/dome fuse for 20 seconds.
c. Re-install fuse.

2. Resetting the "CHECK ENGINE" light. ONLY after the maintenance service has been performed (Federal Only).

a. Locate the cancel switch behind the access panel, below the steering column.
b. To reset the switch, move the switch to "OFF."

NOTE: Federal equipped vehicles have a cancel switch which needs to be reset after the 50,000, 80,000, and 100,000 mile maintenance service is completed.