If a wheel stud breaks, it's important to act quickly and safely. Here are some tips on what to do:
1. Park the car in a safe place and turn on the hazard lights.
2. Place a jack under the car and remove the tire.
3. Inspect the stud to see if it can be reused. If not, replace it with a new one.
4. Reattach the tire and lower the car back down to the ground.