1.   Davis jerked back the brake lever, releasing the catch.

2.   He intended to set three brake systems, but instead set just two, pulling the throttle instead of the third brake lever before he hopped out.

3.   His body was found in the wreckage with one hand on the brake lever.

4.   The controls include an accelerator pedal and two brake levers, one for the continuous tracks on the right and the other on the left.