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.

Code Entry Instructions

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

Chris Brown

A very handy service. Saved me a lot of trouble....now I can listen to music.

Tony Arrowsmith

No code with radio found website online thought id give it ago and it worked thank you

Alex Harper

Quick and easy process it took a mater of minutes to do

Radio Codes Available Instantly Online: Get Yours Today!

Free Radio Code Entry Help for Clarion PU9637A Radios.

Just some of our Google Reviews & Ratings