[ViniBorn]

Desta forma vocк estб setando apenas para o jogador.

SetPVarInt(playerid, "Engine", 0);

pawn Код:

if((newkeys == 8192) && (IsPlayerInAnyVehicle(playerid)))
{
    new vid = GetPlayerVehicleID(playerid);
    new engine,lights,alarm,doors,bonnet,boot,objective;

    GetVehicleParamsEx(vid,engine,lights,alarm,doors,bonnet,boot,objective);
    if(engine == 0)
    {
        SetVehicleParamsEx(vid,VEHICLE_PARAMS_ON,lights,alarm,doors,boot,boot,objective);
        SendClientMessage(playerid, COLOR_WHITE, "Ligas-te o carro!!");
    }
    else
    {
        SetVehicleParamsEx(vid,VEHICLE_PARAMS_OFF,lights,alarm,doors,boot,boot,objective);
        SendClientMessage(playerid, COLOR_WHITE, "Desligas-te o carro!!");
    }
    return 1;
}