Send us your top tips and win a sat-nav! - Introduction

Have you got any tips on how to squeeze a bigger discount out of a salesman?

Or perhaps you know of a clever way to get your car's cabin smelling sweetly or its paintwork looking like new.

We offer a prize every month to the reader that sends in the best tip or deal - this time, we're giving away a great Clarion Map 670 portable satellite-navigation system.

Your advice can cover any motoring topic, from buying and selling cars or getting insurance to taking care of your car or driving safely and efficiently.

For a chance of winning this month's superb prize, click here to send us your tips or deals and a digital photo of yourself.