148Vehicle careNo.Circuit1Onstar2Air conditioning system3Instrument panel4Transmission control module5Infotainment6Body control module7Rear parking assist8Data link connection9Electric steering column lock10Sensing and Diagnostic module11DC transformer12–13Electronic toll collection system14Linear power module15Central locking system/Ignition
system16Ignition systemNo.Circuit17forward collision alert18Instrument panel19Forward collision alert indication20Headlight range adjustment21Power windows, front22Power windows, rear23–24Manual transmission auto‐
mated module25Auxiliary power outlet26Sunroof27–28Body control module 829Body control module 730Body control module 631Body control module 532Body control module 4
