you are going to crash the car of it will roll away
You will wear out the brakes prematurely and you may also overheat the brakes and experience brake fade (no or poor brakes).
You should use your emergence/parking brakes as a backup to your regular brakes.
Quick Service brakes and parking brakes.
Parking brakes apply generally on rear wheels to control enough sliding of the vehicle.
you sit on them
Only on air brake vehicles.
If the parking brake does not engage fully, the rear (shoe type) brakes need to be adjusted or replaced.
The handbrake is only used for parking.
The parking light stays on how am I sure the parking brakes are not on
No. Usually the parking brake is a separate mechanism from the driving brakes, and its usually only found on the rear wheels.
a hairdryer!
back wheels.