C4GP Ambient Lighting

[igracanac]

First sorry for my bed English . I have C4 gp .It have Ambient lighting but it only works for me when the door is opened, i mean the led bar located on the roof and under the console. The C4 has a yellow light switch but when dark and when ambient light is needed it cannot be adjusted or activated. Is there any setup with diagnostics and can someone explain to me how to adjust or where that part is in the diagbox. Is there any step by step how to activate only that ? thank you

[GiveMeABreak]

Hi and welcome.

First please post up your VIN so I can see exactly what model you have and what options you have fitted.