Video: Bert and Ernie show you the way to Sesame Street with Tom Tom

Portable sat navs are big business. There are plenty to choose from, so Tom Tom has started offering different voices for its wide range of units. You can choose from the likes of Darth Vader, Yoda, Jeremy Clarkson (for a limited time only) and now Sesame Street's Bert and Ernie.

That's right, Tom Tom had the comedy duo in to record a special set of instructions for drivers the world over.