>

Or he didn't engage it fully. We just don't know.
Washoe County Sheriff Darin Balaam said on Tuesday during a press conference that Renner was run over by his snowcat, a device to remove snow, after the machinery started to roll away when he was not in the driver’s seat. He was injured during an attempt to get back into the snowcat, Balaam said. >

It was being reported initially as a safety system failure by at least two news outlets. I am not seeing that dialog now. >

That could still be true - sounds like it started moving without a driver.  Maybe a break failure.