2016-09-20 : Veteran Motorist's last ability resolves before the crew ability that it was tapped to activate. The +1/+1 bonus will be in effect as the Vehicle becomes an artifact creature.

2016-09-20 : Veteran Motorist's last ability triggers when it becomes tapped to activate a crew ability. Even if Veteran Motorist leaves the battlefield before its triggered ability resolves, that Vehicle still gets +1/+1 until end of turn.