[CalvinC]

It doesn't seem like you're locking it at all?

pawn Код:

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

This will lock it.

pawn Код:

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

This will unlock it.