1. Locate Vehicle
2. Move it to another location
OLD 3. Wait 5-10 minutes to ensure data saves (as you always should before restarting to avoid item duplication or unexpected results)
OLD 4. Restart Server
OLD 5. Go to position where vehicle was moved to, it will be gone.
OLD 6. Submit Bug Report.
EDIT 3. Wait for automated restart.
EDIT 4. Go to position where vehicle was moved to, it will be gone
EDIT 5. Update bug report with accurate information