2013 Nissan Altima Navigation System Owner's Manual - Page 292

BASIC OPERATIONS Symptom No image is displayed. Possible cause The brightness is at the lowest setting. The system in the video mode. The display is turned off. Possible solution Adjust the brightness of the display. Press DISC-AUX to change the mode. Refer to the vehicle Owner's Manual. Press and hold the button to turn on the display. No voice guidance is available. or The volume is too high or too low. No map is displayed on the screen. The screen is too dim. The movement is slow. Some pixels in the display are darker or brighter than others. Some menu items cannot be selected. The volume is not set correctly, or it is turned off. Voice guidance is not provided for certain streets (roads displayed in gray). A screen other than map screen is displayed. The temperature in the interior of the vehicle is low. This condition is an inherent characteristic of liquid crystal displays. Some menu items become unavailable while the vehicle is driven. Adjust the volume of voice guidance. This is not a malfunction. Press the MAP button. Wait until the interior of the vehicle has warmed up. This is not a malfunction. Park the vehicle in a safe location, and then operate the navigation system. Troubleshooting guide 11-3