Many drivers still swear by a dedicated portable GPS navigation system, and for good reason. A portable GPS, or portable navigation device (PND), leaves your phone free for other uses. Portable GPS ...

You’re in an unfamiliar city on business. En route to your new client’s office, you make a wrong turn. And another. Now you’re stuck in traffic—and you’re going to be horribly late for your meeting.

If your car still drives great but feels stuck in the past, you’re not alone. Millions of vehicles on the road predate A ...