What Car? Q&A - Introduction

For any kind of motoring query, there's only one place to come – What Car? Q&A. This week, we've heard from readers who want to know if car supermarkets are as good as dealers to buy from, what all the abbreviations mean on sales literature when buying a car, and whether it's illegal to drive without a rear-view mirror. For answers to these questions and more, read on.

Click here to submit your own question. We publish a selection of your questions – along with our answers – here every week. Please be aware that we are inundated with questions and can't promise to reply to every one.

Don't forget you can also turn to the What Car? Helpdesk with motoring problems or disputes you might be having. Click here to e-mail the Helpdesk.