Signature Edition:Leather Upholstery: Premium Nappa brown leather seats with heated front seats.BOSE Sound System: Upgraded 7-speaker audio system.Reversing Camera: Added in addition to rear parking sensors.Electrically Folding Door Mirrors: Heated and folding for better convenience.Driver's Seat Lumbar Adjustment: Improved comfort over the standard seat.Unique Alloy Wheels: Typically 16-inch "Grey Shadow" or optional "Black Optemic" alloys.Key Standard Features Carried Over (from Dynamique Nav):R-Link Infotainment: 7-inch touchscreen with TomTom satellite navigation.Hands-Free Keycard: Keyless entry and start.Automatic Lights and Wipers.Climate Control.