public OnPlayerEnterVehicle(playerid, vehicleid, ispassenger)
{
    new CarCheck = GetPlayerVehicleID(playerid);
    if(CarCheck == Cars[GroveStreet])
    {
        if (Group_GetPlayer(gGSF, playerid)) // Can use the car.
        {
            SendClientMessage(playerid, COLOR_RED, "* %s spins a key and tries to start vehicle engine.");
        }
        else
        {
            SendClientMessage(playerid, COLOR_RED, "You aren't in team Grove Street Crips");
            RemovePlayerFromVehicle(playerid);
        }
        return 1;
    }
    if(CarCheck == Cars[SevileCrips])
    {
        if (Group_GetPlayer(gSBF, playerid)) // Can use the car.
        {
            SendClientMessage(playerid, COLOR_RED, "* %s spins a key and tries to start vehicle engine.");
        }
        else
        {
            SendClientMessage(playerid, COLOR_RED, "You aren't in team Grove Street Crips");
            RemovePlayerFromVehicle(playerid);
        }
        return 1;
    }
    if(CarCheck == Cars[VeronaBeachCrips])
    {
        if (Group_GetPlayer(gVBF, playerid)) // Can use the car.
        {
            SendClientMessage(playerid, COLOR_RED, "* %s spins a key and tries to start vehicle engine.");
        }
        else
        {
            SendClientMessage(playerid, COLOR_RED, "You aren't in team Grove Street Crips");
            RemovePlayerFromVehicle(playerid);
        }
        return 1;
    }
    if(CarCheck == Cars[TempleDriveCrips])
    {
        if (Group_GetPlayer(gTDF, playerid)) // Can use the car.
        {
            SendClientMessage(playerid, COLOR_RED, "* %s spins a key and tries to start vehicle engine.");
        }
        else
        {
            SendClientMessage(playerid, COLOR_RED, "You aren't in team Grove Street Crips");
            RemovePlayerFromVehicle(playerid);
        }
        return 1;
    }
    return 1;
}