GMC LYRIQ 2023 Owner's Manual page 208

ON/RUN : This position is for
starting and driving. With the
vehicle off, and the brake
pedal applied, pressing
POWER once will place the
vehicle in ON/RUN. When the
vehicle ready light is on in the
instrument cluster, the vehicle
is ready to be driven. This
could take up to 15 seconds at
extremely cold temperatures.
Service Mode
This power mode is available
for service and diagnostics,
and to verify the proper
operation of the service
vehicle soon light as may be
required for inspection or
maintenance purposes. With
the vehicle off, and the brake
pedal not applied, pressing
and holding POWER
more than five seconds will
place the vehicle in Service
Mode. The instruments and
audio systems will operate as
they do in ON/RUN, but the
vehicle will not be able to be
driven. The propulsion system
will not start in Service Mode.
Press POWER
the vehicle off.
Caution
Placing the vehicle in
Service Mode will use the
12-volt battery. Do not use
Service Mode for an
extended period, or the
vehicle may not start.
STOPPING THE VEHICLE/
OFF : To turn the vehicle off,
apply the brakes, press the
button on top of the shift lever
to shift to P (Park) and press
POWER .
Alternatively, apply the brakes
and press POWER . The
electric drive unit will shift to
for
P (Park) then shut off
automatically.
Retained Accessory
Power (RAP) will remain active
until the driver door is opened.
If the vehicle must be shut off
in an emergency:
Driving and Operating
1. Brake using a firm and
steady pressure. Do not
again to turn
pump the brakes
repeatedly. This may
deplete power assist,
requiring increased brake
pedal force.
2. Shift the vehicle to
N (Neutral). This can be
done while the vehicle is
moving. After shifting to
N (Neutral), firmly apply the
brakes and steer the vehicle
to a safe location.
3. Come to a complete stop,
shift to P (Park), and turn
the vehicle off by pressing
POWER .
4. Set the parking brake.
Turning off the vehicle while
moving may disable the
airbags. While driving, only
shut the propulsion system
off in an emergency.
Warning
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