GMC Cadillac CT5 2021 Manual page 248

Wet or damp conditions only
intended for use in heavy rain or
standing water.
StabiliTrak/ESC is on and engine
power is reduced based on
conditions.
PTM 2 DRY
For use by less experienced drivers
or while learning a new track.
Dry conditions only.
StabiliTrak/ESC is on and engine
power is slightly reduced.
PTM 3 SPORT
For use by drivers who are familiar
with the track.
Dry conditions only.
Requires more driving skill than
mode 2.
StabiliTrak/ESC is on and more
engine power is available than in
mode 2.
PTM 4 Race 1
For use by drivers who are familiar
with the track.
Dry conditions only.
Requires more driving skill than
modes 2 or 3.
not StabiliTrak/ESC is off and available
engine power is the same as
mode 3.
PTM 5 RACE 2
For use by experienced drivers who
are familiar with the track.
Dry conditions only.
Requires more driving skill than in
other modes.
StabiliTrak/ESC is off and engine
power is available for maximum
cornering speed.
Press and release
and return to the TCS and StabiliTrak/
ESC systems. The traction off light
and StabiliTrak Off light
go out.
Launch Control
If equipped, Launch Control is
available within Competitive Driving
Mode and Performance Traction
Management (PTM) to allow high
levels of vehicle acceleration in a
straight line. Launch Control is a form
of traction control that manages tire
spin while launching the vehicle. This
feature is intended for use during
DRIVING AND OPERATING
closed course race events where
consistent zero to 60 and quarter mile
times are desirable.
Launch Control is only available when
the following criteria are met:
Competitive Driving Mode is
selected or any of the Performance
Traction Management modes are
selected.
The vehicle is not moving.
The steering wheel is pointing
straight.
Automatic Transmissions
to turn off PTM
The brake pedal is firmly pressed to
the floor, equivalent to a panic
brake event.
will
The accelerator pedal is rapidly
applied to wide open throttle. If the
vehicle rolls due to wide open
throttle, release the throttle, press
the brake pedal more firmly, and
re-apply the accelerator to wide
open throttle.
Launch Control will initially limit
engine speed as you rapidly apply the
accelerator pedal to wide open
throttle. Allow the engine rpm to
stabilize. A smooth, quick release of
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