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.
How do I take my Kenwood out of Protect Mode?
Turn off the receiver and let it cool for a few hours; then try again. If the protection mode warning doesn’t go away on its own, press the reset button. If that doesn’t work, disconnect the power lead from your receiver for 30 seconds and then reconnect it. If it still doesn’t work, it’s time to take it to the dealer.