Not sure if this is what you are looking for, but it's a pretty decent camera. It's supposedly waterproof and it seems pretty rugged. It accepts a standard 1/4" tripod connection, so there might be a mount out there that you could use to attach it to the vehicle.
[ame="http://www.amazon.com/Kodak-PlaySport-Waterproof-Pocket-Camera/dp/B0030MITDK/ref=sr_1_1?ie=UTF8&s=electronics&qid=1282752550&sr=8-1"]Kodak PlaySport (Zx3) HD Waterproof Pocket Video Camera[/ame]
There's also a [ame="http://www.amazon.com/Kodak-Remote-Control-PlaySport-Cameras/dp/B002FECHQ4/ref=pd_sim_p_4"]remote [/ame]for it that might help you too, but it helps to be able to see the screen to ensure you're using the correct commands at the time.