GMC LYRIQ 2023 Owner's Manual page 378

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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)
0 321.
Every 240 000 km
(150,000 mi)
Drain and fill the coolant
circuits. Or every five years,
whichever comes first. See
Cooling System 0 313.
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 0 379.
Owner Checks and
Services
Every Five Years
Replace the brake fluid every
five years. See Brake Fluid
0 316.
Service and Maintenance
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.
377

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