Below are the instructions we hold for entering the code into your Clarion PU9637A 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.

After switching on;

Press [ 1 ] and use the tuning buttons [ < > ] to increment the first code digit
Press [ 1 ] and use the tuning buttons [ < > ] to increment the second code digit
Press [ 1 ] and use the tuning buttons [ < > ] to increment the third code digit
Press [ 1 ] and use the tuning buttons [ < > ] to increment the fourth code digit

The set should now operate.

If the display shows [ = = = = ] it is locked.

Leave the set switched on for 32 min per every incorrect code entry. Then re-enter the correct code.

Just some of our Google Reviews & Ratings

All reviews are left on Google by legitimate customers: Google Reviews - Direct Link

Callum Horn

Worked first time after trying multiple different websites. Strongly recommend this service if you want to unlock your radio in under 5 mins. Top website, top service

Graham Thorne

Awesome guys, got wat I paided for in seconds. After spending almost best half of a day trying to get code from Mercedes agent with no glory.

Sean Crow-Brown

I�ve had no radio for years because I refused to pay �30 from the dealership. Got my serial number through a full service at no extra cost and for just �4.99 I now have a working radio again!

Radio Codes Available Instantly Online: Get Yours Today!

Free Radio Code Entry Help for Clarion PU9637A Radios.

Just some of our Google Reviews & Ratings