This has come up in a few games I've played and Dean decided to issue the answer in the errata.
Players can do only one thing in a turn.
A corpse can capture a chariot, but the displaced driver must wait until the next turn to move further. This also seemed to come up every so often. There are a couple of mentions of whips and stuff in the rules. Dean decided on the final language in the errata on the website. It's in the errata, but I can't remember the answer off the top of my head.