My Samsung phone pairs to the fatty via bluetooth OK but every time I turn off the car or go out of range I'm having to re-enter the PIN to reconnect.
On my other Fatty it just pairs and reconnects without having re-enter the PIN every time.
Is there some setting I need to change as it gets tedious to the point where I don't bother which, of course, defeats the purpose.
Any ideas? 2007 Vogue TDV8 in Zermatt Silver with Charcoal

It is probably down to the firmware on the Bluetooth module, there are a few folks who can upgrade the firmware. One such is bluetoothexchange.co.uk

Ah, OK. That makes sense. I just assumed they would be the same.
Thanks for the help 2007 Vogue TDV8 in Zermatt Silver with Charcoal

I had the same issue with mine, reflashing the BT module with my IID tool solved it.

Did you re-flash the firmware as suggested above. 2007 Vogue TDV8 in Zermatt Silver with Charcoal

I'm not sure if it actually upgraded the firmware, I just flashed it myself with my IID tool and a laptop and now it connects automatically and I think the phonebook shows too.

Ok cool, I'll look into it
Thanks.  2007 Vogue TDV8 in Zermatt Silver with Charcoal

Reflash? What did you do with the IIDTool? Ron B. VK2OTC
2003 L322 V8 Auto
2007 Yamaha XJR1300
Previous: 1983, 1986 RRC; 1995, 1996 P38A; 1995 Disco1; 1984 V8 County 110; Series IIA

In the GAP user manual 4.11.4 page 158 https://www.gap-diagnostic.com/support/documents/IIDTool/ John
2008 Stornoway Grey 3.6 Tdv8 Vogue
2005 TD6 Java Black Vogue - Written off!!
GAP iiD BT
2003 Discovery TD5 Auto, Nanocom Evolution - gone to a new home!
MasseyFerguson 152 - No electronics!! - Sold

OK , got the phone issue sorted with an exchange module from Bluetooth Exchange.
Excellent service from them, worked first time and less than 5 mins to fit.
Got all my contacts loaded up and no more messing with pin numbers.
Jump in, turn on and it's paired. It's the little things that make the day.
Thanks to Jamiehol for tip. 2007 Vogue TDV8 in Zermatt Silver with Charcoal