GetPlayerCameraMode:
- You could check if a player uses cinema view or front bumper view in a vehicle
- You can see wheather a player is in a garage or not
- You can see wheather a player is passenger-drivebying or not
- ...
OnUnoccupiedVehicleUpdate:
- You can prevent players pushing around vehicles.
- You could script sth that resets the vehicle if a passenger was AFK and returned ingame (teleports the vehicle to where the passenger went AFK)
- In some case you can create a script for damaging unoccupied vehicles like seen in scripting showroom in the sa-mp.com Forums
- ...