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

Check Gauges

The check-gauges alarm sounds 3 tones, at a rate of 50 tones per minute, once per ignition cycle (once per each indicator transition to active) when any of the following indicators become active, the engine is running and more than 5 seconds have elapsed since the engine began running:
^ ABS
^ BRAKE
^ Oil Pressure
^ Coolant Temp Hot
^ Low Fuel Level
^ LOW OIL
^ LOW TIRE PRESSURE (Oldsmobile) / CHECK TIRE PRESS (Pontiac)
^ LOW Washer Fluid
^ CHANGE OIL
^ SERVICE VEHICLE SOON
^ Volts