Anyone familiar with this xm unit for the 08 Toyota Sequoia?
eBay Motors: 2005-2008 TOYOTA SEQUOIA DIRECT XM RADIO + AUX W/ TEXT (item 150251881527 end time Jun-05-08 17:03:16 PDT)
It appears to use all the functions within the oem nav unit with the tuner installed inside the dash (nothing under the seat). Pricing is $269 with a $40 rebate. Anyone know if this is a challenge to install? particularly getting the antenna to the roof.