No.
Usually the parking brake is a separate mechanism from the driving brakes, and its usually only found on the rear wheels.
Typically one would want to use their parking brake on an incline or when parking a car that has a manual transmission, however, some people still choose to use their parking brake all the time.
Only on air brake vehicles.
a hairdryer!
Parking brakes apply generally on rear wheels to control enough sliding of the vehicle.
If you want the parking brake to work, yes.
You will wear out the brakes prematurely and you may also overheat the brakes and experience brake fade (no or poor brakes).
The parking light stays on how am I sure the parking brakes are not on
It is a mechanical means of holding the vehicle from moving. The parking brake system is separate from the hydraulic service brakes.
Yes, but know that your parking brake on applies your rear brakes. For this reason it is very easy to cause your vehicle to slide sideways when applying only the rear brakes. Also the fact that your parking brake will lock due to the indents, you must use it wisely in an emergency. It also will take quite a long distance to stop any vehicle with the parking brake only.
In most new cars the parking brake light is also activated when the linings of your brakes wear out.
back wheels.
If the parking brake does not engage fully, the rear (shoe type) brakes need to be adjusted or replaced.