The 2009 Acura RDX is a 4-door, 5-passenger luxury sport-utility, available in two trims, the 5-Spd AT and the 5-Spd AT w/ Technology Package. Both trims are equipped with a standard 2.3-liter, I4, 240-horsepower, turbo engine that achieves 17-mpg in the city and 22-mpg on the highway. A 5-speed automatic transmission with overdrive is standard. The Acura RDX is the second Acura vehicle to feature the Advanced Compatibility Engineering (ACE) body structure which is designed to absorb energy from a collision.
Download the Acura RDX Maintenance and Owner’s Manual here – 9.42 MB PDF file. (source: autos.yahoo.com and techinfo.honda.com)