nϋvi 500 Series Owner’s Manual AppendixCalibrating the ScreenIf the touch screen is not respondingproperly, calibrate the touch screen.1. Turn off your nüvi.2. Press your finger on the upper‑leftcorner of the touch screen.3. While holding your finger on the touchscreen, turn on the nüvi. Continueto hold your finger on the touchscreen for about 30 seconds untilthe calibration screen appears (whitescreen with “Touch dot”).4. Follow the on‑screen instructions.Resetting the nüviIf the nüvi stops functioning, turn thenüvi off and on again. If this does nothelp, press and hold for 10 seconds.The nüvi should operate normally. Youcan also remove the battery, and reinstallit.Updating the SoftwarenOTE: In order to connect the nüvito your computer, you must have theoptional USB cable. For informationabout accessories, go to http://buy.garmin.com or www.garmin.com/extras, or contact your Garmin dealer.1. Go to www.garmin.com/products/webupdater, and downloadWebUpdater to your computer.2. Connect the nüvi to your computerusing the optional USB cable.3. Run WebUpdater, and follow theon‑screen instructions.After confirming that you want toperform an update, WebUpdaterautomatically downloads the update andinstalls it on your nüvi.