Owner's Manual
Page 232
... driving for more information. If this message appears when you notice a drop in heating and air conditioning efficiency. SERVICE BRAKE ASSIST This message will display when the electronic sensors that control the air conditioning and heating systems are no longer working. Have your vehicle serviced by your GM dealer... Control system will not activate due to make sure that the door is closed completely. See your GM dealer. SERVICE AIR BAG This message will display when there is a problem with the RIGHT REAR DOOR AJAR message. Your vehicle does not require service.
... driving for more information. If this message appears when you notice a drop in heating and air conditioning efficiency. SERVICE BRAKE ASSIST This message will display when the electronic sensors that control the air conditioning and heating systems are no longer working. Have your vehicle serviced by your GM dealer... Control system will not activate due to make sure that the door is closed completely. See your GM dealer. SERVICE AIR BAG This message will display when there is a problem with the RIGHT REAR DOOR AJAR message. Your vehicle does not require service.