Cadillac LYRIQ Owner Manual (GMNA-Localizing-Europe-16878479) -
2024 - CRC - 9/20/23
250 Vehicle Care
Keep the vehicle plugged in, even when fully
charged, to keep the high voltage battery
temperature ready for the next drive. This is
important when outside temperatures are
extremely hot or cold.
Propulsion power may be reduced in
extremely cold temperatures, or if the high
voltage battery is too cold. The message
BATTERY TOO COLD, PLUG IN TO WARM will
display. If the message displays, a level 2
charger is required to heat the battery to a
minimum temperature to enable propulsion
or charging.
A vehicle cover, which can reduce sun
loading on the vehicle and improve high
voltage battery life, is available from your
Cadillac Service Centre.
{
Warning
This vehicle is equipped with high voltage
battery thermal detection, mitigation, and
notification software. If the high voltage
battery overheats, it may create a risk of
a vehicle fire and may result in damage
to property, serious injury, or death.
(Continued)
Warning (Continued)
If the high voltage battery overheats, an
audible alarm may sound, a message
may display on the Driver Information
Centre (DIC), and OnStar may be called.
To alert others outside your vehicle, the
horn may sound, and the lights may
flash.
If driving, pull over as soon as possible to
a safe location at least 50 feet (15 m)
away from any structure or anything
that may burn. Park your vehicle, apply
the parking brake, and turn the vehicle
off. Open a window or door for
ventilation.
Remove the remote key and move
yourself and others to a safe, upwind
location away from the vehicle. Do not
return to the vehicle or attempt to
restart or drive the vehicle.
Call emergency services and inform them
that an electrical vehicle high voltage
battery is overheating.
Never attempt to put out a vehicle fire.
(Continued)
Warning (Continued)
Your vehicle must be towed to an
authorised Cadillac Service Centre to have
the high voltage battery inspected before
the vehicle can be operated again.
Vehicle Storage
The best way to store the vehicle for any
length of time is to plug in the charging
cable and leave it plugged in. The vehicle
monitors and maintains the 12-volt battery
daily. It is okay to leave the vehicle plugged
in for extended periods of time. Once
charged to full, very little energy is required
to maintain the 12-volt battery and high
voltage battery.
If it is not possible to charge the vehicle
with the charging cable left plugged in, be
sure to fully charge the high voltage battery
before storing. The vehicle will stop
maintenance of the 12-volt battery if the
high voltage battery state of charge gets
too low.
When storing the vehicle on a long-term
basis:
‐ Keep the high voltage battery state of
charge at 30%.
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