Final answer:
Using your opposite hand to support the hand holding the center punch can prevent glass shards from entering the vehicle.
Step-by-step explanation:
Using your opposite hand to support the hand holding the center punch can prevent glass shards from entering the vehicle. By providing support with the opposite hand, you can stabilize the hand holding the center punch, reducing the likelihood of the glass breaking and releasing shards into the car. This can help protect the occupants of the vehicle from injuries caused by flying glass fragments.