2012 GMC Sierra Owner's Manual - Page 147

Instruments and Controls 2. Press the MENU button and then the softkey under the H tab to display HR, MIN, MM, DD, YYYY (hour, minute, month, day, and year). 3. Press the softkey located under any one of the tabs to change that setting. 4. To increase the time or date, do one of the following: . 5-9 To change the time default setting from 12 hour to 24 hour or to change the date default setting from month/ day to day/month: 1. Press the MENU button and then the softkey under the H tab. 2. Press the softkey located below the forward arrow tab. 12H, 24H, the date MM/DD (month and day), and DD/MM (day and month) displays. 3. Press the softkey located below the desired option. 4. Press the MENU button again to apply the desired option, or let the screen time out. Power Outlets Accessory power outlets can be used to plug in electrical equipment, such as a cell phone, MP3 player, etc. The vehicle may have two accessory power outlets located below the climate control system, or may have one accessory power outlet and one cigarette lighter. The cigarette lighter is designed to fit only in the receptacle closest to the driver. There may be another accessory power outlet in the rear cargo area. If the vehicle has a floor console, there is an accessory power outlet inside the storage bin and one on the rear of the floor console. Remove the cover to access and replace when not in use. Press the softkey below the selected tab. ... ¨ SEEK button. Press the \ FWD button. Turn the f knob clockwise. Press the 5. To decrease the time or date, do one of the following: ... © SEEK button. Press the s REV button. Turn the f knob Press the counterclockwise.