2011 GMC Canyon Regular Cab Owner's Manual - Page 118

5-4 Instruments and Controls To calibrate, CAL must be displayed in the mirror compass windows. If CAL is not displayed, press and hold Y b / O for several seconds or until CAL is displayed. The compass can be calibrated by driving the vehicle in circles at 8 km/h (5 mph) or less until the display reads a direction. Clock AM-FM Radio Press and hold HR until the correct hour displays. Press and hold MIN until the correct minute displays. There is an initial two-second delay before the clock goes into time-set mode. To display the time with the ignition off, press RCL, HR, or MIN. Compass Variance The mirror is set to zone eight. If you do not live in zone eight or drive out of the area, the compass variance needs to be changed to the appropriate zone. To adjust for compass variance: 1. Find the current location and variance zone number on the following zone map. 2. Press and hold Y b / O until Z and/or a zone number displays. 3. Press Y b / O repeatedly until the new zone number displays. After you stop pressing the button, the display shows a compass direction within a few seconds. Radio with CD (MP3/WMA) Press and hold the HR button until the correct hour displays. Press and hold the MIN button until the correct minute displays. The time can be set with the ignition on or off.