[MrTinder]

put this on OnPlayerEnterVehicle

pawn Код:

GetVehicleParamsEx(vehicleid, engine, lights, alarm, doors, bonnet, boot, objective);
SetVehicleParamsEx(vehicleid, 1, 0, alarm, doors, bonnet, boot, objective);

Edit:
oh make this

pawn Код:

new engine,  alarm, doors, bonnet, boot, objective;

to this

pawn Код:

new engine, lights, alarm, doors, bonnet, boot, objective;