public OnPlayerKeyStateChange(playerid, newkeys, oldkeys)
{
	if(IsPlayerInAnyVehicle(playerid))
	{
		if(newkeys == KEY_JUMP) // Left Shift
		{
			new engine, lights, alarm, doors, bonnet, boot, objective;
    		        GetVehicleParamsEx(vehicleid, engine, lights, alarm, doors, bonnet, boot, objective);
			SetVehicleParamsEx(GetPlayerVehicleID, 1, lights, alarm, doors, bonnet, boot, objective);
			SendClientMessage(playerid, -1, "You have enabled the vehicle's engine!");
		}
	}
	return 1;
}