You should use your emergence/parking brakes as a backup to your regular brakes.
Yes, when parking uphill with a curb, a driver should turn the wheels towards the curb to prevent the vehicle from rolling into traffic if the brakes fail.
When parking uphill with a curb, position your tires so they are turned away from the curb. This will help prevent your car from rolling into the street if the brakes fail.
When parking uphill on a street with no curb, the front wheels should be positioned to the right. If there is a curb, the back of the right front wheel should be turned against the curb.
When parking uphill with a curb, a driver should turn the front wheels away from the curb and towards the road. This helps prevent the vehicle from rolling into traffic if the brakes fail.
Headed either uphill or downhill when there is no curb, turn the wheels so the vehicle will roll away from the center of the road if the brakes fail.
When parking near a curb while facing uphill, you should turn your vehicle's wheels away from the curb and towards the road. This helps prevent the vehicle from rolling into the street if the brakes fail.
In a downhill area, you should always park with the front wheels toward the curb. The theory is that if the brakes malfunction, the car will move towards the curb and stop, instead of going downhill, gathering speed and causing an accident.
You should turn your wheels towards where the curb would be when facing downhill because your wheels will turn clockwise and if your cars ends up rolling it will go off to the side of the road instead of into traffic which would be more preferred in that situation.
Towards curb
To curb the activities of rabies in them so as to prevent the transfer of rabies to humans
When parking uphill on the right side with a curb, position your vehicle with the front wheels turned to the left and against the curb. This helps prevent the vehicle from rolling into traffic if the parking brake fails.