Hi, go to www.mysendero.com. Choose the Maps and software downloads link. You will then need to login with your account to access the 4.2 upgrade. Chris On Sat, 05 Jan 2008 08:36:27 -0800, "Robert Antunez" <robertantunez@xxxxxxxxxxx> wrote: >What is the link to up grade my GPS 4.0 to 4.22? Chris Grabowski - Customer Support and Product testing Phone: 888-757-6810 EXT. 113 Email: chris@xxxxxxxxxxxxxxxx