I guess you know it depends on how hard you press the brake pedal? A light press or easing off pressure as you come to a stop will not cause it to switch off.

Or putting on the EPB keeps the engine running.

There were quite a few posts on an RRS forum about problems with SIMS and another D5 forum. It was a physical issue with the actual SIM being the problem, not the network. I am using a Three 12GB/12 month SIM that works fine. Might be worth trying a different SIM and if that fails you know it is pro...

They just fold

Check out video 20 in the instructional videos

https://www.youtube.com/playlist?list=P ... RfAv4T-DOi

Even cheaper from dealers!!

https://www.mymemory.co.uk/mobile/mobil ... cards.html

Presumably several SIMs have been tried?

There have been posts on other forums of problems with actual SIM cards.

Well they are around now, the loan D5 I had a couple of weeks ago had one fitted.

Have a look here:- http://gear.landrover.com/gb/en/discove ... ng/towing/

did you get your music sorted?

Known problem, there is a "recall" for this.

Mine started when I put the wipers on and the air pressure caused it to flip out.