nüvi 1200/1300/1400 Series Owner’s Manual 4AppendixCalibrating the ScreenIf the touchscreen is not respondingproperly, calibrate the touchscreen.1. Turn off the nüvi.2. Press and hold the Power buttonfor about 30 seconds until thecalibration screen appears (whitescreen with “Press dot”).Updating the Software1. Connect the nüvi to yourcomputer using the mini-USBcable. The AutoPlay menu opens.2. Double-click on to open themyGarmin Agent downloadpage. If the AutoPlay menu doesnot open, or you are on a Maccomputer, go to www.garmin.com/agent.3. Follow the on-screen instructions.After you have installed myGarminAgent, you will be prompted toopen myDashboard when youconnect your nüvi to your computer.myDashboard checks your nüvifor current software and providesadditional information about yournüvi.Clearing User DataiMPortaNt: This deletes alluser-entered information.1. Hold your finger on the lower-rightcorner of the nüvi screen whileturning on the nüvi.2. Keep your finger pressed until thepop-up window appears.3. Touch Yes to clear all user data.All original settings are restored.Any items that you have saved areerased.Battery InformationTo maximize the lifetime of thebattery, do not leave your nüvi indirect sunlight, and avoid prolongedexposure to excessive heat.