2023 CADILLAC LYRIC coolant level

Cadillac Lyriq Owner Manual (GMNA-Localizing-U.S./Canada-15644413) -
2023 - CRC - 2/23/22
Vehicle Care 313
1. Windshield Washer FluidReservoir. See Washer Fluid
0314.
2. Hood Latch.
3. Brake Fluid Reservoir. See Brake Fluid 0316.
Cooling System
It is not necessary to regularly
check coolant unless a leak is
suspected or an unusual noise
is heard. A coolant loss could
indicate a problem. Have it
inspected and repaired by
your dealer.
During vehicle operation and
also during charging, the high
voltage battery cells in the
vehicle are kept within a
normal operating temperature
range. If the temperature rises
above this temperature, the
battery cooling system turns
on the air conditioning
compressor and cools the
coolant until the correct
temperature is reached. If the
temperature falls below this
temperature, a high voltage heater, located outside the
battery on a cradle, heats the
coolant until the correct
temperature is reached.
The cooling system allows the
vehicle to maintain the correct
working temperature.Checking Coolant
The coolant needs to be
replaced at the appropriate
interval. See Maintenance
Schedule
0376.
The coolant reservoir is in the
underhood compartment. See
Underhood Compartment
Overview 0312.
To access the coolant
reservoir under the hood, the
right side access cover needs
to be removed. 1. Park on a level surface and turn the vehicle off.
2. Open the hood. See Hood 0310.
3. The coolant reservoir is
under a cover and side
extension/shield in the
underhood compartment.
Unclip the right side of the
shield and remove the right
side access cover.

Cadillac Lyriq Owner Manual (GMNA-Localizing-U.S./Canada-15644413) -
2023 - CRC - 2/23/22
314 Vehicle Care
4. After the system hascompletely cooled, check
that the coolant level in the
reservoir.
5. If the coolant level is notvisible or needs to be
adjusted within the
reservoir, contact your
dealer.
Washer Fluid
What to Use
When windshield washer fluid
is needed, be sure to read the
manufacturer's instructions
before use. If operating the
vehicle in an area where the
temperature may fall below
freezing, use a fluid that has
sufficient protection against
freezing.
Adding Washer Fluid
If the vehicle is equipped with
a washer fluid level indicator,
and the washer fluid reservoir
is low, a message displays on
the Driver Information Center
(DIC). See Driver Information
Center (DIC) 0132 for more
information.
Open the cap with the washer
symbol on it. Add washer fluid
until the tank is full. See
Underhood Compartment
Overview 0312 for reservoir
location.
Caution
.Do not use washer fluid
that contains any type of
water repellent coating.
This can cause the wiper
blades to chatter or skip.
.Do not use engine coolant
(antifreeze) in the
windshield washer. It can
damage the windshield
washer system and paint.
.Do not mix water with
ready-to-use washer fluid.
Water can cause the
solution to freeze and
(Continued)

Cadillac Lyriq Owner Manual (GMNA-Localizing-U.S./Canada-15644413) -
2023 - CRC - 2/23/22
Service and Maintenance 377
needed if driving in areas with
heavy traffic, poor air quality,
high dust levels,
or environmental allergens.
Passenger compartment air
filter replacement may also be
needed if there is reduced
airflow, window fogging,
or odors. Your GM dealer can
help determine when to
replace the filter.
Every 161 000 km
(100,000 mi)
Replace the hood and/or body
lift support gas struts. Or
every 10 years, whichever
comes first. See Gas Strut(s)
0321.
Every 240 000 km
(150,000 mi)
Drain and fill the coolant
circuits. Or every five years,
whichever comes first. See
Cooling System 0313.Severe Conditions
Requiring More Frequent
Maintenance*
.Mainly driven in heavy city
traffic in hot weather.
.Mainly driven in hilly or
mountainous terrain.
.Frequently towing a trailer.
.Used for high speed or
competitive driving.
.Used for taxi, police,
or delivery service.
Additional Required
Services —Severe Service
Every 72 000 km (45,000 mi)
.Change electric drive unit
fluid. See Recommended
Fluids and Lubricants 0379.
Owner Checks and
Services
Every Five Years
Replace the brake fluid every
five years. See Brake Fluid
0316. Every Seven Years
Replace the air conditioning
desiccant every seven years.
This service helps the
longevity and efficient
operation of the air
conditioning system. This
service can be complex. See
your dealer.
Multi-Point Vehicle
Inspection (MPVI)
A Multi Point Vehicle
Inspection (MPVI) completed
by a GM dealer technician is a
maintenance assessment of
your vehicle. The benefit of
the MPVI is to identify and
inform the customer of service
items that require immediate
attention and those that may
require attention in the future.
The technician will perform the
following checks on your
vehicle. For a complete list of
checks, inspections, and
services, see your dealer.