The Wrangler was redesigned for 2007, with a stiffer frame, revised suspension, a new engine, and fresh styling. The interior was redesigned completely in 2011, with a new dashboard and door panels, while body-coloured exterior plastic trim and roof were optionally offered. From 2012, the Wrangler is now powered by a new 3.6-litre "Pentastar" V6, with a 6-speed manual or 5-speed manually-shiftable automatic, with low-range gearing and full off-road capability. It also offers more ground clearance, more wheel articulation and some new suspension hardware. For the first time, the Wrangler offers an optional electronic-disconnecting front stabiliser bar. This Active Sway Bar System allows more front-wheel travel over obstacles. Also available is the Command-Trac part-time four-wheel-drive system. A Trak-Lok limited slip differential and Rock-Trac with special off-road tyres also are available. Comfort features include power windows, CD/MP3 stereo, and even a voice-controlled 'UConnect' Bluetooth telecom system. Safety includes stability control, ABS brakes, front airbags and seat-mounted side-airbags. It can be equipped with a new three-piece hardtop with removable panels. Also available is a Sunrider soft top with a sunroof feature. The dealer also offers a huge catalogue of original offroad accessories, such as lift kits, metal bumpers, monster tyres and the like, which can get quite expensive if every add-on is chosen.