Chevrolet Corvette 2015 Owner's Manual page 226

The PTM system contains five
modes. These modes are selected
by turning the Selective Ride
Control/Performance Traction
Management MODE SELECT knob
on the center console. Scroll up or
down through modes 1 5 by turning
the MODE SELECT knob to the
right or left.
The following is a DIC display
description and the recommended
usage of each mode:
PERF TRAC 1 WET ACTIVE
HANDLING ON
Intended for all driver skill levels.
Wet or damp conditions only
not intended for use in heavy
rain or standing water.
StabiliTrak is on and engine
power is reduced based on
conditions.
PERF TRAC 2 DRY ACTIVE
HANDLING ON
For use by less experienced
drivers or while learning a new
track.
Dry conditions only.
StabiliTrak is on and engine
power is slightly reduced.
Driving and Operating
PERF TRAC 3 SPORT
ACTIVE HANDLING ON
For use by drivers who are
familiar with the track.
Dry conditions only.
Requires more driving skill than
mode 2.
StabiliTrak is on and more
engine power is available than in
mode 2.
PERF TRAC 4 SPORT
ACTIVE HANDLING OFF
For use by drivers who are
familiar with the track.
Dry conditions only.
Requires more driving skill than
modes 2 or 3.
StabiliTrak is off and available
engine power is the same as
mode 3.
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