What Car? Q&A - Introduction

When should you use foglights, which 4x4 is best for towing, and does ‘chipping’ your car invalidate its warranty?

These and other motoring queries are answered by the whatcar.com Q&A team this week.

Click here to submit your own question to the Q&A team. We publish a selection of your questions – along with our answers – here every week.

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.