See also:

Brake fluid
The fluid level will drop slowly as the brakes wear, and will rise when the brake components are replaced. Fluid levels between the MIN and MAX lines are within the normal operating range; ...

Service Data Recording
Service data recorders in your vehicle are capable of collecting and storing diagnostic information about your vehicle. This potentially includes information about the performance or status of var ...

Fuel pump shut-off switch
This device stops the electric fuel pump from sending fuel to the engine when your vehicle has had a substantial jolt. After an accident, if the engine cranks but does not start, this switch may ...