[Mister0]

You can make like this

Код:

 new playercar[MAX_PLAYERS]; 
playercar[playerid] = CreateVehicle(411,0,0,0,2,-1,-1,3600);

public OnPlayerEnterVehicle(playerid, vehicleid, ispassenger) 
{ 
  if(vehicleid==playercar[playerid])
  {
    SendClientMessage(playerid,-1,This is your car!);
  }
}