Chevrolet 2013 Corvette Owner's Manual page 58

Turns the
guidance screen on and off.
freeway exit information. This is only
available on freeways during route
guidance.
Select this feature from the
NAVIGATION SET UP screen to
change all adjustable system
settings to factory defaults.
Press to restore the system
defaults.
Displays
set the average speed to default.
The system monitors the speed on
different roads and updates the
vehicle's average speed. This
average speed is used to calculate
the time it takes to reach the
destination when a route is set.
adjust the volume of voice guidance
prompts. Press Off to turn voice
guidance prompts off.
Press to
Press to