Related Clues:

• 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
• Rte.-suggesting system
• Rental car extra
• New car feature, for short
• TomTom unit, for short
• Dashboard-mounted gadget, for short