Radio Code   »  Free Code Entry Instructions   »  Sony Code Entry Help   »  CDX-M800 Instructions

Radio Codes Available Instantly Online: Get Yours Today!


Free Radio Code Entry Help for Sony CDX-M800 Radios.

Below are the instructions we hold for entering the code into your Sony CDX-M800 car radio.
We do not guarantee the accuracy of the information contained on these pages.

If you find our instructions are either incorrect or not available, please let us know, where possible we would appreciate if you could supply any instructions you found to work for your radio.



Code Entry Instructions
After switching on the set the display will show [ SECURITY CODE INPUT ]

Open the front panel by pressing the left hand button on the fascia.

The centre display will be showing [ CODE IN 0000 ]

Press [ + ] until you reach the first digit required then press [ SEEK ] to enter
Press [ + ] until you reach the second digit required then press [ SEEK ] to enter
Press [ + ] until you reach the third digit required then press [ SEEK ] to enter
Press [ + ] until you reach the fourth digit required then press [ SEEK ] to enter

The clock will be displayed once finished. Press the [ SOURCE ] key to switch the radio on.

Just some of our Google Reviews & Ratings

Emma Stewart
5 Stars
Yes! Thank you so much! My radio is working again. Excellent and speedy.
Steve Brown
5 Stars
Fast, accurate and very cheap! A great resource. The car is an L reg Corsa, even the dealers were reluctant to help. The radio is now on!
Danny Davies
5 Stars
Does exactly as advertised and received the code instantly. No complaints whatsoever...