AUTO TURBO TIMER JEEP KIA GS300 GS400 GS430 IS300 SC430 Most turbo-charged engine spin in excess of 40K RPM, in which the engine is running in extreme hot temperature. This turbo timer is designed to extend the life turbo-charger and engine by allowing engines to idle after the ignition key has been turned to the 'off' position and removed. When engine oil continues to circulate through a hot turbocharger bearing housing, heat is dissipated from the bearings and impeller shaft thereby preventing bearings from 'boiling,' which is the number one cause of turbo failure in automobile engines. Would work for both turbo and non-turbo cars. Non-turbo engines also needs to cool down after a high running speed or driven in hot temperature in summer time, this will help to extend engine lifetime. Features: 10 seconds per setting units. Up to 19 minutes idle period. Memorize the last cool down time automatically. Fully automatic self-function.