2010 GMC Acadia Owner's Manual - Page 167

Instruments and Controls You can receive more than one tire pressure message at a time. To read the other messages that may have been sent at the same time, press the set/reset button or the trip odometer reset stem. The DIC also shows the tire pressure values. See Driver Information Center (DIC) (With DIC Buttons) on page 5‑24 or Driver Information Center (DIC) (Without DIC Buttons) on page 5‑29. If the warning comes on and stays on, there may be a problem with the TPMS. See your dealer/retailer. 5-43 rear differential fluid is overheating. This message turns off when the differential fluid cools. The AWD system is disabled until the compact spare tire is replaced by a full-size tire. If the warning message is still on after putting on the full-size tire, you need to reset the warning message. To reset the warning message, turn the ignition off and then back on again after 30 seconds. If the message stays on, see your dealer/retailer right away. See All-Wheel Drive on page 9‑28 for more information. TIRE LEARNING ACTIVE This message displays when the Tire Pressure Monitor System (TPMS) is re-learning the tire positions on your vehicle. The tire positions must be re-learned after rotating the tires or after replacing a tire or sensor. See Tire Rotation on page 10‑49, Tire Pressure Monitor System on page 10‑44, and Tire Pressure on page 10‑43 for more information. SERVICE TIRE MONITOR SYSTEM On vehicles with the Tire Pressure Monitor System (TPMS), this message displays if a part on the TPMS is not working properly. The tire pressure light also flashes and then remains on during the same ignition cycle. See Tire Pressure Light on page 5‑21. Several conditions may cause this message to appear. See Tire Pressure Monitor Operation on page 10‑46 for more information. SERVICE ALL WHEEL DRIVE Transmission Messages ALL WHEEL DRIVE OFF If your vehicle has the All-Wheel Drive (AWD) system, this message displays when there is a compact spare tire on the vehicle, when the Antilock Brake System (ABS) warning light comes on, or when the If your vehicle has the All-Wheel Drive (AWD) system, this message displays if there is a problem with this system. If this message appears, stop as soon as possible and turn off the vehicle. Restart the vehicle after 30 seconds and check for the message on the DIC display.