Zombie movie that's starts with explicit acts while driving

When a Sumatran rat-monkey bites Lionel Cosgrove's mother, she's transformed into a zombie and begins killing (and transforming) the entire town while Lionel races to keep things under control.

A young fresh-faced Hill staffer gets her first job in Washington, D.C. and discovering two things: 1. The government has stopped working, and 2. alien spawn have come to earth and eaten the brains of a growing number of Congressmen and Hill staffers.

Once again tampering with mother nature to disastrous results, Dr. Herbert West continues his research while serving time in a maximum security prison for his previous exploits. West's limited prison-cell experiments are suddenly interrupted by the arrival of a new prison doctor and the brother of the girl who suffered from West's experiments 13 years earlier.

Unperturbed by the disastrous outcome of his previous meddling with the dead, Dr. West continues his research into the phenomenon of re-animation; only this time, he plans to create life – starting with the heart of his young protégé Dan's dearly deceased Meg Halsey.

Two punks, driving to work at a mall, accidentally hit a man who had drunk a soda laced with a chemical that turns people into zombies.

A group of college kids driving on an unfamiliar winding road through a national park accidentally run over an unsuspecting squirrel. They quickly discover that this is no ordinary road—the woods are alive with the undead, animals reanimated as vengeful, murderous zombies!

Two inexplicably coherent zombies awake amidst a zombie attack and decide to take a road trip to find the one's lost love, unaware they are being chased by the agents of a ruthless company with its own agenda.

A hitchhiker unknowingly hitches a ride with a violent maniac who tortures him and leaves him for dead in the woods, where he soon turns into a zombie. The zombie breaks into a guy's house and bites him, quickly spreading the horror across the German countryside, where all things go awry, apparently.