How do you do a hard reset on a radio?
Turn your car on, but do not start the engine. Turn the radio off. Hold the radio power button down for a few minutes until it resets.
How do I reset my car touch screen?
First, long press the power button for a few seconds. Next, open the menu tab. From here, select “Factory Reset.” Now, wait till the factory reset is complete and the car stereo turns on again.