{"nhtsa_id":619676,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-06-23","date":"2001-03-01","document_id":"640201","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:APPLIANCE:AIR CONDITIONER","mfr_system":null,"summary":"CUSTOMERS WHO ENTER AN UNLOCKED VEHICLE, THEN SET THE A/C TO NEW SETTINGS WHILE DRIVING, FIND THAT AFTER LOCKING AND UNLOCKING THE VEHICLE, THE A/C SETTINGS CHANGE BACK TO A PREVIOUS SETTING ON VEHICLES WITH IHKA. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/619676","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"E39","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"BMW","model":"E53","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}