- When the car is completely stopped on an incline by pressing the brake pedal.
- When any forward or reverse gear is engaged.
Note. The system is capable of holding the car in place for no more than 2 seconds. After 2 seconds, the vehicle will begin to roll backwards and the system will stop functioning completely.
The system does not function in the following cases:
- When the automatic transmission selector lever is set to position N or P.
- When the car is parked on a level, horizontal road.