Well , my wife bought a new Sequoia and it doesn't have the Navigation system in it cuz we couldn't afford the extra 10k for the next package up that has the Navi system in it . So my question is , what can we do to get one installed ? Do I need to stay with the stock Navi system ( I would rather stay with Toyota parts ) or is there another after market unit that fits in the Sequoia nicely ? Where is the best place to purchase Navi systems for the Sequoia ? I was planning on buying the system off the intrenet and bringing it to either the dealer ship or another shop and let them install it cuz the dealership quoted her some un godly price to put one in it already . WHat the hell do I need to do ? She really wants the Navi system , but I don't wanna break the bank to get it .