Many modern cars are now fitted with Idle-Stop-Start (ISS), a technology which saves fuel & CO2 by stopping the engine when the vehicle is stopped in traffic. This technology needs a special car battery as the frequent restarts quickly damage a normal car battery and can invalidate the vehicle and battery warranty. If you have
Idle Stop Start technology can be incorporated into both petrol and diesel vehicles with a manual or automatic powertrain. It may not be possible to identify whether a vehicle incorporates Idle Stop Start technology, as manufacturers will not always promote this technology on engine components. Some vehicle manufacturers include a device on the dash board