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 logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

A Recommended Fluids and Lubricants

RECOMMENDED FLUIDS AND LUBRICANTS
Look for and use ONLY the oils, fluids and fuel that meet GM Specification. Oil or fluid that does not have the correct specification designation can cause damage not covered by the warranty. Do NOT use oil or fluid additives.