Why does my JVC radio keep changing time?
A: If the clock keeps resetting, try this first. Go into your tuner, then settings, and turn off RDS. That should fix the problem.
How do you change the time on a JVC touch screen?
How do I set the time on my JVC KW r920bts?
2 Turn the volume knob to select [CLOCK], then press the knob. 3 Turn the volume knob to select [CLOCK SET], then press the knob. 4 Turn the volume knob to make the settings, then press the knob.