GMC Cadillac CT5 2021 Manual page 241

240 DRIVING AND OPERATING
disengage. Cruise control may be
turned back on when road conditions
allow.
Both systems come on automatically
when the vehicle is started and begins
to move. The systems may be heard or
felt while they are operating or while
performing diagnostic checks. This is
normal and does not mean there is a
problem with the vehicle.
It is recommended to leave both
systems on for normal driving
conditions, but it may be necessary to
turn TCS off if the vehicle gets stuck
in sand, mud, ice, or snow. See If the
Vehicle Is Stuck 0 218 and Turning
the Systems Off and On later in this
section.
The indicator light for both systems is
in the instrument cluster. This
light will:
Flash when TCS is limiting
wheel spin.
Flash when StabiliTrak/ESC is
activated.
Turn on and stay on when either
system is not working.
If either system fails to turn on or to
activate, a message may display in the
Driver Information Center (DIC), and
comes on and stays on to indicate
that the system is inactive and is not
assisting the driver in maintaining
control. The vehicle is safe to drive,
but driving should be adjusted
accordingly.
If comes on and stays on:
1. Stop the vehicle.
2. Turn the engine off and wait
15 seconds.
3. Start the engine.
Drive the vehicle. if comes on and
stays on, the vehicle may need more
time to diagnose the problem. If the
condition persists, see your dealer.
Turning the Systems Off and On
Caution
Do not repeatedly brake or
accelerate heavily when TCS is off.
The vehicle driveline could be
damaged.
To turn off only TCS, press and
release . The traction off light
displays in the instrument cluster.
A DIC message may display.
To turn TCS on again, press and
release . The traction off light
displayed in the instrument cluster
will turn off.