What is false regarding an Off-Course (OC) during endurance?

1. The time penalty for an off-course is 10s
2. An off-course occurs if a slalom gate is missed
3. An off-course can be avoided if the driver re-enters the track at or before the point he left itCorrect
4. An off-course during the skidpad event leads to a DNF for that run
5. An off-course occurs if a vehicle is outside the track boundary with all four wheels