Excerpt: This unit replaced a garmin with traffic information. Bought tom tom because mapping is better than garmin however found it pretty impossible to connect to iPhone for traffic information. resorted to you tube and still nothing.
Excerpt: This is my second 135 via as I thought the first one was faulty but this one is just the same. It will sometimes lose connection to the satellites when the conditions are good for reception i.e. no tall trees or buildings or obstuctions.
Excerpt: this sat nav is great unless you have Windows Vista or Windows 7 on you computer, if you have then you will have problems registering and staying connected. i spent a whole weekend trying to register this unit, on the Monday I contacted tomtom Amsterdam & they tried to connect this unit.