Chevrolet Corvette 2015 Owner's Manual page 221

9-40 Driving and Operating
Each mode is configured for use in
different driving conditions. Use:
Weather mode for rain
and snow.
Eco mode to improve fuel
economy.
Tour mode for comfortable
normal driving.
Sport mode for spirited on road
driving.
Track mode for track use.
There are 12 attributes that vary by
mode shown below. Not all vehicles
have all features, depending on the
vehicle options.