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

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Brake Fluid Level Sensor/Switch: Description and Operation

The master cylinder fluid level sensor, which is a switch located in the side of the reservoir, activates the red "BRAKE" warning lamp when the brake fluid level is low. Once the fluid level is corrected, the "BRAKE" warning lamp will go out.