tbh, I do not use mine that much - I still rely on sensors and mirrors.. only time it is useful (for me), is when the sensors beep and I can see exactly what space I have. Re the i10, it is small enough I think - just my opinion - not to need the camera. or what you could do.. see how you get on driving it, parking, reversing and then decide if you need it.
my camera came with my model of car. so it is there, but that is about it