First of all, make sure that the key is Turned On to AC or Ignition point. Next, ensure that the power cable is connected with the Garmin GPS unit. Inspect the fuse that is in the radio arrangement or behind the Garmin GPS . In case the fuse is blown then replace it with a fresh one. Investigate the battery. In case it has a bad battery then reinstall a new battery. Additionally, inspect the battery of the system remote control. If it not working then substitute it with a new one.
At first, you need to go to the Menu option of the device. Now, you have to click on the Options within the Menu section. Then, click on the option that says System . Now, all you need to do is select the option Calibration and the device will calibrate itself. This should resolve Garmin GPS issues related to the device calibration or touchscreen calibration.
