1. Have working car
2. Get chased by zombies while driving
3. Stop car, stop engine, leave car
4. Zombies don't even acknowledge your presence, they are here only for your quiet car
5. Attempts to get zombie's attention go nowhere, being it attack by blunt weapons or by firearms - at most zombie would just glance at you briefly and then give it's undivided attention back to car - until killed. (Then it would revenge by not letting you into your car, see T151799)
6. Wonder who you became