I was also unable to switch until I forced myself to go cold turkey. Putting this into your vimrc will disable the arrow keys noremap <up> <nop> noremap <d

I was also unable to switch until I forced myself to go cold turkey. Putting this into your vimrc will disable the arrow keys noremap <up> <nop> noremap <down> <nop> noremap <left> <nop> noremap <right> <nop> inoremap <up> <nop> inoremap <down> <nop> inoremap <left> <nop> inoremap <right> <nop> It's extremely painful for the first day or two, but it's worth it. (Starting on a weekend might be a good idea.)