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

Maintenance Indicator Reset

GM OIL LIFE SYSTEM RESETTING PROCEDURE
1. Display "OIL LIFE" on the Driver Information Center (DIC). Turn the ignition OFF.
2. Press and hold the RESET button for more than fives seconds. The oil life will change to 100%.