Driving skills!
I'm sure this is already being considered, but driving should definitely be worked into character creation when vehicle development stabilizes.
High drive skill could increase (and low would decrease):
- Turning responsiveness or likelihood of rollover (safe and effective control of momentum)
- Likelihood of car starting on first turn of the key (knowing how/when to turn the key for a rough starter)
- Control when running over obstacles (default erratic response when driving over something/zeds)
- Others?