1. Start the engine cold and the engine temperature, intake air temperature and transmission temperature should be within only a few degrees temperature of each other..
2. Test drive until operating temperature is obtained.
3. Allow the vehicle to cool and repeat steps #1 and #2 a second time.
you must get at least 3/4 of a tank of gas and drive car 100 miles or so monitors can set . car does checks wit computer if all is good it wont turn on lite but if something is wrong ck eng lite will come on so if u cleared codes inspection will know