2011 GMC Acadia Owner's Manual - Page 140

5-8 Instruments and Controls 4. The DIC will display CALIBRATING: DRIVE IN CIRCLES. Drive the vehicle in tight circles at less than 8 km/h (5 mph) to complete the calibration. The DIC will display CALIBRATION COMPLETE for a few seconds when the calibration is complete. The DIC display will then return to the previous menu. 3. Press the pushbutton located under any one of the labels to be changed. 4. To increase the time or date, do one of the following: . To calibrate the compass, use the following procedure: Compass Calibration Procedure 1. Before calibrating the compass, make sure the compass zone is set to the variance zone in which the vehicle is located. See "Compass Variance (Zone) Procedure" earlier in this section. Do not operate any switches such as window, sunroof, climate controls, seats, etc. during the calibration procedure. 2. Press the vehicle information button until PRESS V TO CALIBRATE COMPASS displays. 3. Press the set/reset button to start the compass calibration. Press the pushbutton below the selected label. ... Clock To adjust the time and date: 1. Turn the ignition key to ACC/ACCESSORY or ON/RUN, then press O, to turn the radio on. 2. Press G to display HR, MIN, MM, DD, YYYY (hour, minute, month, day, and year). ¨ SEEK. Press \ FWD. Turn f clockwise. Press 5. To decrease the time or date, do one of the following: ... © SEEK. Press s REV. Turn f counter‐clockwise. Press