Arctic Cat Tigershark Daytona Montego Handle Bar Grip Compression Plug 0673-587 on 2040-parts.com

Win two signed Jenson Button mini crash helmets!

CAR has teamed up with McLaren sponsor Santander to bring you the chance to win one of these ace souvenirs – plus loads more prize opportunities including tickets to next year's British Grand Prix. To win one of the helmets simply answer this question: In which year was Jenson Button crowned F1 World Champion? Click here to enter For more great prizes – including signed merchandise from Lewis and Jenson, VIP tours of McLaren's HQ and 2012 weekend GP tickets  – click on the link below and check out the Competitions tab on Lewis and Jenson's Facebook page.

Street View not good enough for Google's self-driver

If anyone can bring the self-driving car to market, it's Google. Not only does the company have the necessary funds for such an undertaking, it has the necessary data -- at least one would think. In a Wired article on Tuesday, Google said that even though it has mapped much of the world with Google Street View, those maps won't help its self-driving car.

Renault 4 Ever design competition

DesignBoom has teamed up with Renault to create a unique design competition. With the Renault 4 entering its 50th year, the aim of the competition is to redesign and recreate the classic R4. The free-to-enter competition is open to anyone, not just design students and professionals.