Suddenly not able to connect to carplay

I have Iphone Air purchased on October 4th with ios 26, since then carplay was working seamlessly with my wireless infotainment system , since last week phone is unable to connect. however , all other phones cannect seamlessly to carplay ( iphone 15 promax and 2 iphones XS)

I updated to ios26.2 and still unable to connect to carplay , however phone is connected as Handfree bluetooth for calls and media

tried forgetting and restarting both phone and infotainment system, checked enable restrictions, renaimed both devices, enables siri

funny enough, got iphone 16promax of a friend of mine and face same issue!!

one time it connected when i pressed the wifi in the control center but this trick does not work anymore

any ideas !!! ???