It's not actually a package. When you get the HDD Nav, Toyota also adds the options for JBL greenedge, Blind Spot Monitor, etc. IDK if you can special order but all the XLE's out here in Northern CA that have HDD, also have everything else.
Here's what toyota web site show's when you select HDD Nav:
Premium HDD Navigation with Entune™ and JBL®, and Blind Spot Monitor and Safety Connect with Additional Options $6,320
(AY) Includes Emergency Assistance, Stolen Vehicle Locator, Roadside Assistance and Automatic Collision Notification. Available by subscription. Complimentary one-year trial subscription.
(BD) Blind Spot Monitor (BSM)
(CQ) Smart Key System on front doors and trunk with Push Button Start and remote illuminated entry.
(FE) 50 state emissions
(LA) Leather-trimmed multi-stage heated front seats with seatback pockets; 8-way power-adjustable driver's seat with power lumbar support; 4-way power-adjustable front passenger seat.
(NV) Premium HDD Navigation  with Entune™  and JBL® - includes 7-in. touch-screen with split-screen capability, AM/FM CD player with MP3/WMA playback capability, ten JBL® GreenEdge™ speakers in eight locations including subwoofer and amplifier, SiriusXM Satellite Radio  capability (includes three-month trial subscription to XM Select Package), HD Radio™  with iTunes® Tagging,  auxiliary audio jack, USB  port with iPod®  connectivity and control, vehicle information with customizable settings, and hands-free phone capability, phone book access, advanced voice recognition and music streaming via Bluetooth®  wireless technology
(SR) Power tilt/slide moonroof one-touch open/close with jam protection