Why should the auxiliary (parking) brake be used for the purpose of parking only?

1. ABecause its operating handle (or lever) is not convenient to operate.
2. BBecause its lifespan is short and it should not be wasted on ordinary braking.
3. CThe auxiliary (parking) brake cannot serve as an emergency brake.
4. DThe auxiliary (parking) brake is not applied to all the wheels of the vehicle and its power is very low.

Pick an answer to test yourself