[Jason`]

pawn Код:

// Topo do script
new bool:God[MAX_PLAYERS];

// Public
public OnVehicleDamageStatusUpdate(vehicleid, playerid)
{
    if(God[playerid])
    {
        new Float:Damage;
        GetVehicleHealth(vehicleid, Damage);
        if(Damage < 1000)
        {
            RepairVehicle(vehicleid);
        }
    }
    return 1;
}

// OnPlayerCommandText
if(!strcmp(cmdtext, "/god", true))
{
    if(GetPlayerMoney(playerid) < 5000)
        return 1;
    SendClientMessage(playerid, God[playerid] ? ("Seus veнculos agora sofrerгo danos!") : ("Seus veнculos agora nгo sofrerгo dano!"));
    God[playerid] = God[playerid] ? false : true;
    if(God[playerid])
        GivePlayerMoney(playerid, -5000);
        
    return 1;
}

Se apontar erros avise, nгo cheguei a testar.