Just found out the last update year for the Gen5 (2007 - 2009) is 2015!! A lot of good that does in Arizona, where there are new highways going up yearly. AND you have to have 2 discs if you plan on crossing the Mississippi River!!
Part No. PT219-GEN5W-15 for West of the Mississippi River
Part No. PT219-GEN5E-15 for East of the Mississippi River
$169 each at Lexus of Chandler