[The_Tough]

You can like if you got a system

Code:

OnPlayerEnterVehicle(playerid,vehicleid){
If(Job == 7 // player id's job)
{
return 1;
}
if(Job != 7)
{
SendClientMessage(playerid,0xFF0000AA,"You must be cop to enter the vehicle");
return 0; // or RemovePlayerFromVehicle
}
}