5 Cool Car Accessories

Satellite-based nav systems like the TomTom Go 540s ($170) or the Garmin Nuvi 1250 ($130) plug in to your car's lighter socket and render moot the argument over when you are lost enough to ask for directions. Depending on the model, you may be able to add real-time traffic and weather updates and information on local businesses—service fee ranges from $10 to $15 a month.