Quote Originally Posted by catymag View Post
Seems that automatic time zone setting was not available for any nuvi previous to the 2x5 series which introduced that option. The option depends on a special time zone map (gmaptz.img) on the unit as well as the necessary firmware to make use of that map which has the time zone
Ah bummer - I tried adding the map to the 855 but nothing changed. I assumed its firmware simply didn't support this, but hoped there might be some trick I'd missed or overlooked

Oh well, it's a pain, but I can live with changing timezones manually (still).

Thanks!
R.