I suppose lights, instrument cluster.
Getting the VIN entered into the system.
Do you think you can get used to driving a RHD vehicle on the wrong side of the road?
A little googling...
http://www.examiner.com/article/cons...ead-this-first http://www.nhtsa.gov/cars/rules/import/ https://help.cbp.gov/app/answers/detail/a_id/289 https://help.cbp.gov/app/answers/detail/a_id/218