In such large numbers he’d hear them merely by their stampeding footsteps.
Steve: Surely they can hear it!
Two smaller swarms have flooded out onto the road leading towards them though, quickly breaking into a sprint towards the approaching vehicle as it blindly approaches the intersection.
The driver stops as they get to the crossroads at the main street, as if checking for traffic, and the car is quickly surrounded.
Caught by surprise as the deathly bodies emerge from out of nowhere the inhabitants scramble together at the centre of the vehicle trying to get as far away from the windows as possible. Steve scans the area to check how big this problems was going to get and then looks back to the car.