The radio code is a safety feature equipped on the Honda Odyssey intended to prevent radio theft. Whenever the radio is removed or disconnected from the car battery the radio will require the input of a specific code in order to function. Resetting this code is a simple process but it does require that you first determine the appropriate code for your particular radio. The process for determining this will be easy or difficult depending on whether or not you still have access to the vehicle’s service manual. Tips Writer Bio

How to Reset the Radio Code for a Honda Odyssey - 97