Do the fancy higher-end features (traffic, eco route, etc.) of auto GPS units actually work? [more inside]
posted by CKmtl on Aug 20, 2011 - 7 answers

Lazyweb, I need help choosing an automotive GPS navigation unit for a directionally-challenged relative. It must receive traffic updates, have an ability to remember programmed routes, and be reasonably easy to install and use. [more inside]
posted by Tacos Are Pretty Great on Nov 29, 2007 - 11 answers

Does anyone have experience using a GPS with traffic updates (in the Chicago area?) Looking to compare XM Navtraffic to Clearchannel's FM traffic reports. [more inside]
posted by natness on Feb 9, 2007 - 2 answers

Real-time traffic info on GPS car navs: gimmick or gold? [more inside]
posted by dentata on Jul 27, 2006 - 6 answers