2010 Cadillac STS Owner's Manual - Page 265

PRESS START AND BRAKE TO START ENGINE This message displays when you need to press down on the brake pedal while pressing the start button on the electronic keyless ignition when trying to start your vehicle. See Starting the Engine on page 3‑27 for more information. RIGHT REAR DOOR AJAR This symbol appears with this message. 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. The driver attempts to engage the Adaptive Cruise Control while the HUD is off. 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. . If this message appears when attempting to activate the system, continue driving for several minutes and then try activating the system again. 4-85