[Rafaeloo]

where can i replace

public OnPlayerKeyStateChange(playerid, newkeys, oldkeys)
{
new engine, lights, alarm, doors, bonnet, boot, objective;
new vehicleid = GetPlayerVehicleID(playerid);
if (GetPlayerVehicleSeat(playerid) == 0)
{
if (newkeys & EXAMPLE_KEY) //Change your key here
{
GetVehicleParamsEx(vehicleid, engine, lights, alarm, doors, bonnet, boot, objective);
SetVehicleParamsEx(vehicleid, 1, lights, alarm, doors, bonnet, boot, objective);
SendClientMessage(playerid, 0xFFFFFFFF, "Your vehicle's engine is now turned [ON].");
}

}
return 1;
}


this code