Anyone know anywhere to install reverse camera rear view mirror without voiding the warranty?

Something like this;

http://www.11street.my/productdetail/dual-...r-view-28553304

GF using the Bezza X now. Not necessary to change head-unit (Supports Bluetooth audio & GPS use Waze). Just assuming this is the only alternative. Any help or story from someone who done it is more than welcome!

Thanks!