How to enter radio code,which i have,into Renault radio fitted to a T35 van year 2001it has a steering wheel remote OE

PHILIPS RENAULT CODE ENTRY INSTRUCTIONS
FOR CARS WITH A STEERING WHEEL REMOTE CONTROL
(Note :If you don`t have the [ ¬ ] button then push the thumbwheel in and some will have an [ A¬ ] button )
Turn on the radio and the display will show 'CODE'
Use the Steering Wheel Remote Controls for code entry.
Press the [ ¬] button then rotate the thumb wheel for the correct first digit Press the [ ¬] button then rotate the thumb wheel for the correct second digit Press the [ ¬] button then rotate the thumb wheel for the correct third digit Press the [ ¬] button then rotate the thumb wheel for the correct fourth digit If the correct code is now shown on screen, press and hold the [ ¬] button for up to 10 seconds to store the code