Drop glyn hopkins a quick email they will soon tell you the correct part

Normal.

Poor quality pads i think they are useing.

The dealer should be sorting all them problems out for you. So best to take it back and get them to sort it
the link you posted will update your sat-nav system.

Have the car battery checked out 1st to see if its on the way out.

I would go for the single one as you only got the basic radio. But ask the sellers on ebay as they normally state what car and spec they are out of

Why is your cabin light flashing ? Sensors are built into the front bumper best way to get the car up on ramps and you can get under car to get a better view.

nope no trim needs to be removed

It just pops out 2 metal clips hold it in place. You'll find vids on youtube on how its done. If its stopped working then you will need to replace the whole light fitting as there led bulbs in the unit.

J11b facelift your car will be