FINALY! Thank you for great product! 1 sbrick, 1 battery pack, 2 L motor, 1 servo, 4 lego lights, iphone 5C (move, steering, basic motor in arocs for control all basic movements, lights) and few new components. My intention was create Arocs with full el. control, withnout any cosmetic change in basic model, I love the basic (I removed only motor - I had to create space for sbrick and lots of cables 
).
I have fun for minimaly 2weeks and after will be B model :-)!
Bolek