This information replaces the information
under Stop/Start System found in the“ ”
Driving and Operating Section of the owner’s
manual.
Some vehicles built on or after 6/7/2021 are
not equipped with the Stop/Start System,
see your dealer for details on a specific
vehicle.
Stop/Start System
If equipped, the Stop/Start system will shut
off the engine to help conserve fuel. It has
components designed for the increased
number of starts.
{Warning
The automatic engine Stop/Start feature
causes the engine to shut off while the
vehicle is still on. Do not exit the vehicle
before shifting to P (Park). The vehicle
may restart and move unexpectedly.
Always shift to P (Park), and then turn
the ignition off before exiting the vehicle.
Auto Engine Stop/Start
When the brakes are applied and the vehicle
is at a complete stop, the engine may turn
off. When stopped, the tachometer displays
AUTO STOP. See . When theTachometer
brake pedal is released or the accelerator
pedal is pressed, the engine will restart.
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 charge is low.
. 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 in any gear other than
D (Drive). Some vehicles may maintain
Auto Stop after being shifted to P (Park).
. Certain driver modes have been selected.
See andDriver Mode Control
Four-Wheel Drive.
Litho in U.S.A.
Part No. 85548842 © 2021 General Motors LLC. All Rights Reserved.
Insert to the 2021 Cadillac Escalade, Chevrolet Tahoe/Suburban, GMC Yukon/Yukon XL/Denali,
Chevrolet Silverado 1500, and GMC Sierra/Sierra Denali 1500 Owner s Manuals’
