2008 Cadillac STS Owner's Manual - Page 244

RADAR CRUISE NOT READY This message displays when the Adaptive Cruise Control system is not activating due to a temporary condition. Your vehicle does not require service. This message also displays when either of the following conditions occur: This message displays when the passenger side rear door is not closed completely. Make sure that the door is closed completely. • The driver turns off the head-up display (HUD) while the Adaptive Cruise Control is engaged. SERVICE AC (Air Conditioning) SYSTEM This message displays when the electronic sensors that control the air conditioning and heating systems are no longer working. Have the climate control system serviced by your dealer/retailer if a drop in heating and air conditioning efficiency is noticeable. • The driver attempts to engage the Adaptive Cruise Control while the HUD is off. If this message appears when attempting to activate the system, continue driving for several minutes and then try activating the system again. SERVICE AIR BAG This message displays if there is a problem with the airbag system. Have your vehicle serviced by your dealer/retailer immediately. See Airbag Readiness Light on page 3-60 for more information. RIGHT REAR DOOR AJAR This symbol appears with this message. SERVICE BRAKE ASSIST This message displays when a problem with the panic brake assist system has been detected. Have your vehicle serviced by your dealer/retailer. 3-90