I believe the LX570, like the LS460, uses a hard drive to store the Map data and needs special equipment to load the DVD Update on to the hard disk. You probably will need a half hour installation service from your local Lexus dealer.
The 2011 Lexus IS-F's engine produces 416 hp @ 6600 rpm.
The 2011 Lexus IS-350's engine produces 306 hp @ 6400 rpm.
The 2011 Lexus IS-250's engine produces 204 hp @ 6400 rpm.
The 2011 Lexus CT-200H's engine produces 134 hp @ 5200 rpm.
The 2011 Lexus GS-450H's engine produces 340 hp @ 6400 rpm.
The 2011 Lexus IS-250-C's engine produces 204 hp @ 6400 rpm.
The 2011 Lexus RX-450H's engine produces 295 hp @ 6000 rpm.
The 2011 Lexus IS-350-C's engine produces 306 hp @ 6400 rpm.
The 2011 Lexus GS-350's engine produces 303 hp @ 6200 rpm.
The 2011 Lexus ES-350's engine produces 268 hp @ 6200 rpm.
The 2011 Lexus RX-350's engine produces 275 hp @ 6200 rpm.