Engine Heater - GMC Cadillac CT5 2021 Manual

226 DRIVING AND OPERATING
To maintain vehicle performance,
other conditions may cause the engine
to automatically restart before the
brake pedal is released.
Auto Stops may not occur and/or Auto
Starts may occur because:
The climate control settings require
the engine to be running to cool or
heat the vehicle interior.
The vehicle battery needs to charge.
The vehicle battery has recently
been disconnected.
Minimum vehicle speed has not
been reached since the last
Auto Stop.
The accelerator pedal is pressed.
The engine or transmission is not at
the required operating temperature.
The outside temperature is not in
the required operating range.
The vehicle is shifted out of D
(Drive) to any gear other than
P (Park).
Certain driver modes have been
selected. See Driver Mode Control
0 241.
The vehicle is on a steep hill or
grade.
The driver door has been opened or
the driver seat belt has been
unbuckled.
The hood has been opened.
The Auto Stop has reached the
maximum allowed time.
Auto Stop Disable Switch
The automatic engine Stop/Start
feature can be disabled and enabled
by pressing the switch with the
symbol. Auto Stop is enabled each
time you start the vehicle.
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When is illuminated, the system is
enabled.

Engine Heater

Vehicles with the engine heater can
use this option in cold weather
conditions at or below 18 °C (0 °F) for
easier starting and better fuel
economy during engine warm-up. Plug
in the engine heater at least four
hours before starting your vehicle. An
internal thermostat in the plug-end of
the cord may exist which will prevent
engine heater operation at
temperatures above 18 °C (0 °F).
To Use the Engine Heater
1. Turn off the engine.
Check the heater cord for damage.
If it is damaged, do not use it. See
your dealer for a replacement.
Inspect the cord for damage yearly.
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