Safety Administration, resulting in a perfect "5 Star" rating for driver and passenger frontal crashes, and front and rear side impacts, along with "4 Stars" for rollover. The Insurance Institute for Highway Safety, Highway Loss Data Institute (IIHS-HLDI) gave the 2007-12 RDX the grade of Good "G" for moderate overlap front test and side impact test. The grade of Marginal "M" was given for roof strength evaluation. Second generation (TB3/4; 2013) The second generation RDX was revealed during January 2012 at the North American International Auto Show going on sale in April. The turbocharged four-cylinder engine was replaced by a 3.5-liter V6 mated to a six-speed automatic, improving gas mileage to an EPA estimated 20/28/23 mpg (city/highway/combined) by using variable displacement (VCM). The SH-AWD system was replaced with a simpler and less costly AWD setup. A 5-inch display, tri-angle rear-view backup camera are standard, as well as keyless entry with push-button start. Also, standard Bluetooth hands-free calling and Pandora music can be streamed wirelessly into the audio system. When upgrading to the Technology package, a power tailgate is included, along with an upgraded 60-gigabyte hard disc (HDD) based navigation system with 8-inch screen, this system enables 15GB of music to be stored. In China, the RDX is offered with two engines. A 3.0-liter SOHC V6 produces at 6700 rpm and of torque at 4600 rpm, while the 3.5-liter SOHC V6 produces at 6500 rpm and at 4400 rpm. Both engine choices come with either FWD or AWD. 2016 Facelift The refreshed 2016 RDX was introduced at the 2015 Chicago Auto Show, sales began in mid-April. The updated RDX uses a slightly more powerful revised 3.5-liter SOHC V6 that produces and of torque. The exterior adds LED headlamps (low and high beams, DRL pipe and amber turn signals) and LED taillamps. Additionally, the 2016 RDX includes several driver assists in the AcuraWatch package including Adaptive Cruise Control and Lane Keeping Assist System (LKAS). AWD was also updated to send up to 50% torque to rear wheels (on wet surfaces) opposed to up to 25% in the previous model. Marketing Acura and Marvel Entertainment, LLC, announced a joint promotional campaign with Marvel's The Avengers movie. Throughout Marvel's The Avengers, S.H.I.E.L.D. agents drive various Acura vehicles, including the MDX, ZDX, and TL models; the completely redesigned 2013 RDX was to make a cameo appearance in the movie but the scene did not make