[KayJ]

pawn Код:

public OnPlayerStateChange(playerid, newstate, oldstate)
{
        new CarCheck = GetPlayerVehicleID(playerid);
        if(CarCheck == jcar1)
        {
        new PlayerName[24];
        GetPlayerName(playerid, PlayerName, sizeof(PlayerName));

        if(strcmp(PlayerName,"ShadowReaper",true))return RemovePlayerFromVehicle(playerid),SendClientMessage(playerid, COLOR_RED, "[VEHICLE]:{FFFFFF}You can't drive this car,this car is owned by ShadowReaper.");
        {
          SendClientMessage(playerid, COLOR_LIMEGREEN, "[VEHICLE]:{FFFFFF}Welcome back to your owned car.");
        }
        if(CarCheck == jcar2)
        {
            GetPlayerName(playerid, PlayerName, sizeof(PlayerName));
            if(strcmp(PlayerName,"ShadowReaper",true))return RemovePlayerFromVehicle(playerid),SendClientMessage(playerid, COLOR_RED, "[VEHICLE]:{FFFFFF}You can't drive this car,this car is owned by ShadowReaper.");
        }
        else
        {
            SendClientMessage(playerid, COLOR_LIMEGREEN, "[VEHICLE]:{FFFFFF}Welcome back to your owned car.");
        }
            return 1;
        }
        return 0;
}

Untested