I have a 2006 crv where the radio and cassette works fine but cd doesn't play. even when you push the cd button the display doesn't change to cd mode. any ideas what can be wrong

Sue,

I had the same issue with a car I owned and had to replace the unit.

The radio is likely in theft lookout due to loss of battery power. theft lockout.

No it doesn't. The head unit is faulty and requires repair/replacement.

ENTERING SECURITY CODE

Most vehicles are equipped with Heidelberg V or VI radios that are equipped with a theft protection program. When the battery has been is disconnected or if the radio has been removed, the radio will lock-up electronically and cannot be operated until the security code is entered. On the Heidelberg V, if the proper code is not entered in six attempts, the radio will lock-up permanently and cannot be repaired. On the Heidelberg VI, two incorrect attempts will lock the radio for about 1 hour.
The Heidelberg V may have a code assigned at the factory or a personal code created by the owner. The Hiedelberg VI has a code assigned at the factory and entered by the dealer during pre-delivery inspection. New radios come with the code printed on a sticker but not entered into memory. All codes are 4 digits. To code the radio:
Heidelberg V

1. Turn the radio ON . The radio should display the word SAF. DO NOT attempt to eject a cassette with the radio in this mode.
2. Push the AM/FM and SCAN buttons at the same time and hold them until the display changes, then release them immediately. The number 1000 will appear for about 3 seconds, then the display will go blank. Release the buttons then.

NOTE If the buttons are held too long, the radio will interpret this as an attempt to enter an incorrect code.

1. Use the first four station selector buttons to enter the code. The first digit of the code is always 1. Each time the other buttons are pushed, the number in that position will change.
2. When the code appears correctly in the display, push the AM/FM and SCAN buttons at the same time. When the radio plays and displays a frequency, release the buttons.
3. If the code was entered incorrectly three times, momentarily disconnect the battery and try again. If the code is entered incorrectly three more times, the radio cannot be coded and cannot be repaired.

Heidelberg VI

1. Turn the radio ON . The radio should display the word SAF. DO NOT attempt to eject a cassette with the radio in this mode.
2. Push the AM/FM and SCAN buttons at the same time and hold them until the display changes, then release them immediately. The number 1000 will appear and remain in the display.

NOTE If the buttons are held too long, the radio will interpret this as an attempt to enter an incorrect code.

1. Use the first four station selector buttons to enter the code. Each time a button is pushed, the number in that position will change.
2. When the code appears correctly in the display, push the AM/FM and SCAN buttons at the same time. When SAF appears in the display, release the buttons. The radio should play and display a frequency.
3. If the code was entered incorrectly two times, leave the radio ON for one hour and try again. This can be repeated as often as required.

All you can do is remove the radio and have it repaired by a local approved GM radio repair shop.

try this and thats to remove the cartridge and take all the cds out ,then insert the empty cartridge into the set to see if it removes the last cd that was in the player ,then with one cd in try it again and if that doesnt work then disconnect the battery and try again other than that i have no idea sorry

Is it a burned CD-R? I know (this is probably the same on a 2006) that on my 2005 if you put one in, it will play fine then lock the disc in. There is a fuse pannel on the passenger side on the center of the console towards the front of the car. Just pull the plastic cover off. Find the 10A fuse by the little grey box, and a blue and white circle. (or just look for the fuse labled "RADIO" on the map inside the plastic cover and then locate it in the fuse box). Turn the key off, pull the fuse, turn the key back on for a sec and the radio will not come on. turn the key off, put the fuse back in and turn the key on. the disc should either come out or you will have to push eject. This may or may not work, some people say it doesn't work for them. (this may reset the radio number buttons memory). Hope this helps!

mustangs do the same thing, on those if you swipe a credit card UNDER the cd while its ejecting it will come out, hope that helps.....

Sounds like the CD changer is defective, sometimes the dealer will offer a "one time goodwill" repair when it is out of warranty for miles but not for the time period. Check with the dealer where you purchased the car.

After sitting all day in the parking lot at work, I started the truck to go home and everything seemed back to normal. There must be some sort of time related reset. I have not tried pushing the MODE button again and probably won't until I need to.