Chevrolet 1999 Corvette Owner's Manual page 142

Be sure to continue scanning your displays, controls
and driving environment just as you would in a vehicle
without HUD. If you never look at your instrument
panel, you may not see something important, such
as a warning light. Under important warning conditions,
the CHECK GAGES icon will illuminate in the HUD.
View your Driver Information Center (DIC) for
more information.
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The HUD controls are located to the left of the
steering wheel.
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