How do you reset a Kenwood stereo?
What is protect mode on car radio?
Amplifier protection mode is a shutdown state that car amps may enter in certain situations. The purpose of the shutdown state is to prevent damage to the amp or other system components. So while dealing with an amp in protect mode may be annoying, it might save you from a bigger headache down the road.
How do I unlock my Kenwood car stereo?
The workaround is to enter the wrong security code. In models with this bug, decrement the third character of the security code by one. For example, if the security code is 1111, enter it as 1101. If the security code is 9999, enter 9989.