Thanks JV. I should have worded my question better. I know where the fuses are...in the glove compartment and the rear compartment from the NAV drive. While reading that little sticker on the fuse box it says that # 73 and 79 are for the Nav and Radio. What are those colored boxes just above the row of fuses. The fuses have different amp's written on them. Which of those is for the Nav?

Thanks!

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2005 E46 M3 Alpine White - 6 Spd Manual - Black Cloth/Nappa Leather Seats - ZCP - NAV - Xenons & a couple of minor mods

2006 E53 X5 4.8is - LeMans Blue - Black Interior - Comfort Seats W/Anthracite MW Trim- 20" Alloys - NAV - Sliding Load Floor

2007 Toyota Tundra CrewMax - 5.7L - V8 - SR5 - TRD Package.