Bluetooth issue for xperia Z1

[Sofa]

Hi, I can't connect my phone Bluetooth to my car now, it was working properly and smoothly before, I tried to connect another phones and worked well. So can you please help me to fix it. My phone is Sony xperia Z1. Also android version is 5.1.1. Cheers

[Phy]

Do you experience the same in safe mode?

How to boot on safe mode
http://talk.sonymobile.com/t5/FAQ/How-to-boot-your-phone-into-safe-mode/m-p/348008#U348008

How to boot on safe mode on Lollipop
1. press and hold the power key
2. once you get the pop up menu 
3. press and hold "power off" 
4. Boot on safe mode should become available

[Sofa]

Hey, I tried but doesn't help, so any another idea please.