Chevrolet 2011 Corvette Coupe Owner's Manual page 154

5-32 Instruments and Controls
There are three HUD modes that
can be viewed in the HUD display.
Press the MODE button to scroll
through these modes in the
following order:
English
Metric
Street Mode supports audio and
navigation functions with your
choice of tachometer settings.
English
Metric
Track Mode 1 supports the G-Force
gauge and minor gauges with a
circular tachometer.
English
Metric
Track Mode 2 supports G-Force
gauges, boost gauge w/ZR1, and
minor gauges with a linear
tachometer.
When the desired HUD display has
been selected, release the MODE
button.