The screen isn't responding to touch. How can I fix this? A The screen isn't responding to touch. How can I fix this?Make sure your hands are clean and dry and that there is no protective film or dirt on the screen.Perform a soft reset by turning the device off and on again.Calibrate the touchscreen through the settings menus if this option is available. Douwe Fledderus My navigation system doesn't recognize certain roads or addresses. What can I do to fix this?My navigation system's battery is draining quickly. What can I do to fix this?