Prestone Synthetic Brake Fluid, Dot 3 on 2040-parts.com

Fiat makes bid to buy Opel

The proposed partnership between Fiat and Chrysler has been thrown into a tailspin with revelations that the Italian carmaker has made a secret offer to purchase a majority stake in Opel. Klaus Franz, chairman of Opel's works council, on Thursday confirmed Fiat's interest in a takeover of General Motors' European subsidiary, suggesting that officials have cleared the way for the signing of a letter of intent as early as April 28. Opel has been in talks with parts supplier Magna International on a possible partnership over the past month.

McLaren gives MP4-12C power and gadget upgrade

McLaren has announced a surprise package of upgrades which will be offered to existing owners of its MP4-12C supercar, free of charge. Owners will benefit from more power, a tunable engine noise and fewer foibles - yes, the tricky swipe-to-enter door handles are banished for good. So what exactly has changed on the McLaren MP4-12C for 2013?

Hyundai Elantra

Hyundai is set to add another vehicle to its list of successes: the new Elantra, which was revealed at the LA auto show this year. Created by principal designer Cedric d'Andre, the Elantra was the last car conceived under the direction of Hyundai's former design boss, Joel Piaskowski. The new car shares the 'fluidic sculpture' design theme of its larger sibling, the Sonata and has an impressively low 0.28Cd.