Ford F150 04-10 5.4l V8 Stainless Exhaust Manifold Shorty Headers Performance on 2040-parts.com

Watch the Porsche 911 GT3 rear-steering system work

A handful of manufacturers have offered four-wheel steering in the past including Honda, Nissan, BMW, Mitsubishi, Mazda and, most recently, Acura and Porsche. On Monday, suspension expert Elephant Racing uploaded a video to its YouTube channel demonstrating the feature on the 2014 Porsche 911 GT3. In most four-wheel steering cars--Acura and Porsche included—a computer controls the movable rear wheels.

Four in 10 'can't read maps'

ALMOST four in 10 drivers don't know how to read a traditional map, according to new research by sat-nav manufacturer Garmin. A study of 2,000 Brits revealed that 39% admit to not knowing what they're doing with old-fashioned navigation, but the true figure could well be higher than that when taking into account those who believe they can read a map but have either never tried or never proved it. A worrying 16% say that they are 'heavily reliant' on sat-nav in their cars in order to get anywhere – even to places they regularly visit.

Geneva Show 2014: Hot Audi S1 arrives

ONE OF THE smallest cars on the Audi stand at the Geneva Motor Show was also grabbing the most attention, as the German firm unveiled the new S1. Based on the A1, the smallest Audi in the range, the S1 also takes inspiration from the strictly limited edition A1 Quattro that appeared in 2012. Packing a turbocharged 2.0-litre engine under its compact bonnet it is comfortably the fastest A1 in production, with a top speed limited to 155mph and 0-62mph taking 5.8 seconds.