Final answer:
To cross safely near a corner when parking, you should stay at least 4 meters away from the crosswalk.
Step-by-step explanation:
If parking near a corner, you should stay at least 4 meters away from the crosswalk to cross safely. This distance is calculated based on the width of the average car, which is 2 meters, and the recommendation to be able to walk at least 2 meters further before the car reaches you.