What is true regarding the Brake Over-Travel Switch (BOTS)?

1. It has to be wirde in parallel to the inertia switch as part of the shutdown system
2. It has to open the shutdown circuit if ther is a leak in the rear braking circuit, even if the balance bar is set to 80% frontCorrect
3. The brake test is considered passed if the BOTS has opened the shutdown circuit as long as all wheels have locked up and the vehicle stopped in a straight line
4. It may be reset by the driver when he comes to a stop for the endurance drivers‘ change