Even if your GPS works in your glove compartment, it's not going to get *as good* reception. i.e. not as many satellites as strongly.
On open roads this might not be a problem, but when you have poor coverage due to lots of tall dense trees, against cliffsides, etc, it helps if your GPS can get better reception.
Also, the less satellites, the less accurate it will be overall.
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Player: Celeron II 633MHz, 256MB RAM, 20GB IBM 9mm 2.5" Laptop HD (180G/2ms), onboard ethernet/sound/video/tvout, 10"11"x3" case, MPBS1 70W DC-DC PS w/auto-shutdown controller, in-dash lighted switches, 7" NTSC TFT widescreen in-dash LCD, touchscreen, rear-window brake light installed Garmin GPS35 GPS, credit card sized IR remote w/IRMan, mini-wireless keyboard/mouse (sits under seat), PowerMate black knob, MP3s and GPS Navigation (Winamp, CoPilot, SA8.0).
Car: 1993 Nissan Maxima, Black Emerald
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