I have an 08 3lt with the navigation system. When I increase or decrease the volume there does not seem to be any kind of display that shows where I am, like a scale of some type. Are they made this way or is mine broken? I really don't care for this radio at all and am thinking of replacing it. It's Nav and I have HUD can, i buy an aftermarket Sony and not lose any of my cars features, i've read that the HUD and every thing else is tied into the Nav system. I would rather use the navigation on my smart phone, it updates itself for free.

 

I believe mine has a scale that comes up along the bottom when i adjust the nav volume.

 

You'd think I would know for sure after 6 yrs/95k miles, but can only say I don't recall ever seeing any kind of volume indicator on our 2006 or now 2009, both with factory nav.


C6 NAVIGATION SYSTEM COMPARISONS v 2.0 08-16-2012

If you have a C6 Corvette, there are many different navigation systems you can use to help find your way around the country. After using most of them for a while, here are my observations. All will work, none are perfect. Pick the system that meets your needs:
C6 Factory Nav: Easy to buy, no installation problems, covered by 3/36 and GMPP warranties, projects turn/distance data onto HUD, mutes music for voice directions, many features, continues calculating position for a few minutes if you lose GPS signal, highly theft resistant.
But- expensive to buy/update, repairs not convenient, unless a cutout switch is installed can only enter first page of Previous Destinations + 6 presets while moving, non-intuitive to use, requires mod to install backup camera, early units had no Bluetooth/Ipod, sometimes produces goofy routings.

Aftermarket In-Dash Nav: Cheaper to buy/update, usually easy to use, allows entries while moving, most will accept backup camera, may produce better music, may have other nice feature like traffic/redlight/speed cameras.
But- Requires separate purchase, installation not simple, improper installation can cause other problems, dealers sometimes want to blame any electrical issues on aftermarket unit, shorter warranty, repairs not convenient, no information on HUD, may not mute music, older units may not have Bluetooth/Ipod/voice commands, features/reliability/friendliness vary with brand/model, sometimes more easily stolen, sometimes produces goofy routings.

Garmin, etc: Cheap to buy/update, easy to use, allows entries while moving, portable, easily replaced.
But- Smaller screen, harder to mount in visible/fixed location, needs power wire, shorter warranty, no information on HUD, does not mute music, invites theft/broken windows if left visible, not easily wired to backup camera, can look “cheap”, many do not accept voice commands, sometimes produces goofy routings.

Cellphone Nav: Easy to buy, up to date maps, may be easy to use, allows entries while moving, may have many features.
But- Small screen and keys, no information on HUD, must be removed/replaced from your belt each time you drive/exit, shorter battery life or needs power cord, aftermarket apps may be unreliable/expensive, harder to mount in visible/fixed location, voice directions can be hard to understand and don’t mute music, most won’t work if you don’t have cellphone coverage, after an accident/crime you may not be able to find your phone, invites theft/broken windows if left in car, cellphone use while driving may be illegal, sometimes produces goofy routings.

Paper Map: Cheap, portable, good for trip planning, gives you the “Big Picture”.
But- Usually dangerous to use solo while driving, requires you to determine your current location, scale is usually too big or too small, no POI information, may need to order in advance for long trips.
the nav radio is great, but have not replaced mine because of the info below:

 

No, it doesn't, not if it's a C6 factory nav system.