In a special Q&A session we give you the inside line on choosing and fitting the best in-car navigation for your needs and your budget.
Every week, we try to answer your motoring questions in What Car? Q&A. Click here to submit your query.
We can't promise to answer every question, but we'll publish a selection here every Thursday.
More Q&A specials Over the coming months we will be publishing more of these Q&A specials on specific topics, so if you have a question on The Law and Speeding, Insurance or First Cars for Young Drivers, click here.