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

Checking Electrolyte Level

Electrolyte Level:




WARNING: Do not allow Battery fluid to come In contact with skin, eyes, fabrics, or painted surfaces. After touching a Battery, do not touch or rub your eyes until you have thoroughly washed your hands. If the acid contacts the eyes, skin or clothing, Immediately flush with water for 15 minutes and seek medical attention.


^ Remove the cell plug using a suitable tool.
^ Add distilled water up to the MAX level.