Related Clues:
- High-tech rte. finder
- Savior of lost souls, for short?
- It helps with directions
- Conversation interrupter in a car, maybe
- Docs who don't specialize
- Common taxi feature
- Navigation aid, for short
- Navig. tool
- 'Calculating' device
- Gadget to keep you on track, briefly
- Nissan navigator
- Speaker that might repeat 'rerouting'
- AAA TripTik alternative
- OR personnel
- Columnists, in a way, in this puzzle's four longest answers