The head unit and instruments cluster language cannot be changed, what you can do atleast is change the head unit so you are able to enjoy what matters. Get a Rockmars Vezel-003 Android, it has genuine fitting with jack to jack fitting, support for OEM back camera for all 3 angles, steering control, integrated USB port, mirrorlink for Android, licensed 3D maps from Navitel. You may check out the details at the link below:
Rock Mars | Always Ahead