* A Phillips-head screwdriver
* The radio code for your Honda Odyssey (this is usually found in the owner's manual)
Step 2: Remove the negative battery cable
* Open the hood of your Odyssey and locate the negative battery cable (it's the black cable with the "-" symbol).
* Loosen the bolt that holds the negative battery cable in place using the Phillips-head screwdriver.
* Remove the negative battery cable and set it aside.
Step 3: Wait 10 minutes
* This will allow the power in the radio to completely drain.
Step 4: Reconnect the negative battery cable
* Reconnect the negative battery cable to the battery and tighten the bolt that holds it in place.
Step 5: Turn on the radio
* Turn on the radio and enter the radio code when prompted.
* The radio should now be reset and working properly.
