2023 CHEVROLET BLAZER air conditioning

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16401961) - 2023 - CRC - 5/17/22
Vehicle Care 273
FusesUsage
F66 Engine Control Module Powertrain 2
F67 Engine Control Module Powertrain 3
F68 –
F69 –
F70 –
F71 –
F72 –
F73 –
F74 –
F75 –
F76 –
F77 –
Relays Usage
K1 Starter 1
K2 Run/Crank
K3 Starter 3
K4 –
K5 – Relays
Usage
K6 –
K7 Engine Control Module
K8 Air Conditioning
K9 –
K10 Starter 2
Instrument Panel Fuse Block
The instrument panel fuse block is inside the
center console on the passenger side of the
vehicle.
Remove the fuse access door by inserting a
coin or tool into the slot of the access door. To remove a fuse, use the fuse puller
located in the Engine Compartment Fuse
block.

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16401961) - 2023 - CRC - 5/17/22
274 Vehicle Care
The vehicle may not be equipped with all of
the fuses, relays, and features shown.Fuses Usage
F1 Body Control Module 6
F2 Diagnostic Link/Central Gateway Module
F3 Spare/Electric Steering Column Lock
F4 –
F5 –
F6 Heating, Ventilation, and Air Conditioning
F7 Body Control Module 3
F8 –
F9 Right Front Heated Seat
F10 Airbag/Seatbelt F11 –
F12 Amplifier/Noise Control Module
F13 Body Control Module 7
F14 Left Front Heated Seat F15 –
F16 Sunroof Fuses Usage
F17 –
F18 Instrument Cluster
F19 Body Control Module 1
F20 Rear Seat Entertainment F21 Body Control Module 4
F22 Infotainment USB Data/ Aux Jack
F23 Body Control Module 2
F24 USB Charger/Wireless Charging
F25 Park Assist
F26 Communications Integration Module
F27 –
F28 Heating, Ventilation, and Air Conditioning/
Information
Communication System
Display
F29 Radio
F30 Steering Wheel Adjustment Controls Fuses Usage
F31 Electric Brake Control Module Electric Brake
Booster
F32 DC AC Inverter
F33 Driver Power Seat
F34 Passenger Power Seat F35 Battery IEC 1 Feed
F36 Electric Power Steering F37 Rear Seat Entertainment/USB
Charge/Wireless
Charging Module/
Auxiliary Power Outlet/
Lighter
F38 Body Control Module 8
F39 –
Circuit Breakers/ Minifuse Usage
F40 –
F41 –
F42 Auxiliary Power Outlet (CB)/Lighter (Minifuse)

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16401961) - 2023 - CRC - 5/17/22
Service and Maintenance 319
suitable service maintenance intervals for
your vehicle, please contact your
authorized GM Dealer.
Extreme service is for vehicles mainly
driven off-road in four-wheel drive or used
in farming, mining, forestry, or snow
plowing.
Additional Required Services—Severe
Service
Every 72 000 km (45,000 mi)
.Change automatic transmission fluid.
Every 120 000 km (75,000 mi)
.Change rear axle fluid, if equipped with
AWD. Do not directly power wash the
transfer case and/or front/rear axle
output seals. High pressure water can
overcome the seals and contaminate the
transfer case fluid. Contaminated fluid will
decrease the life of the transfer case and/
or axles and should be replaced.
Owner Checks and Services
Every Five Years
.Replace brake fluid. Every Seven Years
.Replace Air Conditioning Desiccant and
perform air conditioning system
maintenance every seven years. This
service requires replacement of the
desiccant to help 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.
Some items may not apply to your vehicle
and/or region.
Diagnostics
.OnStar active, if equipped
.Service history/recall check
Engine Oil and Filter
.Engine oil
.Oil life monitor
‐
Reset oil life monitor
Exterior Lights
.Visual inspection
Windshield and Wipers
.Visual inspection
Battery
.Battery visual inspection
.Battery test results
.Battery cables and connections
Systems, Fluids, and Visible Leak
Inspection
.Engine oil
.Transmission
.Drive axle
.Transfer case
.Engine cooling system
.Power steering, if equipped
.Fuel system
.Windshield washer fluid

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16401961) - 2023 - CRC - 5/17/22
326 Technical Data
Vehicle Data
Capacities and Specifications
The following approximate capacities are given in metric and English conversions. SeeRecommended Fluids and Lubricants0321 for more
information.
Application Capacities
Metric English
Air Conditioning Refrigerant For the air conditioning system refrigerant type and charge amount, see the refrigerant label under the hood. See yourdealer for more information.
Engine Cooling System*
I2.0L L4 Engine 10.4 L 11.0 qt
I3.6L V6 Engine 13.0 L 13.7 qt
Engine Oil with Filter I2.0L L4 Engine 5.0 L 5.3 qt
I3.6L V6 Engine 5.7 L 6.0 qt

Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16401961) - 2023 - CRC - 5/17/22
348 Index
IndexA
Accessories and Modifications . . . . . . . . . . . 247
Accessory Power . . . . . . . . . . . . . . . . . . . . . . . . . 196
ActiveFuel Management . . . . . . . . . . . . . . . . . . . . . 198
Adaptive Cruise Control . . . . . . . . . . . . . . . . . . . . . . . . . 209
Add-On Electrical Equipment . . . . . . . . . . . . . 245
Additional OnStar Information . . . . . . . . . . . . . . . . . . . . 342
Adjustments Lumbar, Front Seats . . . . . . . . . . . . . . . . . . . . 39
Agreements Trademarks and License . . . . . . . . . . . . . . . 166
Air Cleaner/Filter, Engine . . . . . . . . . . . . . . . . . . 256
Conditioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Filter Life System . . . . . . . . . . . . . . . . . . . . . . 256
Filter, Passenger Compartment . . . . . . . . . 177
Vents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Airbag System . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52 Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
How Does an Airbag Restrain? . . . . . . . . . . 56
Passenger Sensing System . . . . . . . . . . . . . . 57
What Makes an Airbag Inflate? . . . . . . . . . 56
What Will You See after an AirbagInflates? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
When Should an Airbag Inflate? . . . . . . . . 55 Airbag System (cont'd)
Where Are the Airbags? . . . . . . . . . . . . . . . . 54
Airbags Adding Equipment to the Vehicle . . . . . . . 61
Passenger Status Indicator . . . . . . . . . . . . . 100
Readiness Light . . . . . . . . . . . . . . . . . . . . . . . . . 99
Replacing System Parts after aCrash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Servicing Airbag-Equipped Vehicles . . . . . . 60
Alarm Vehicle Security . . . . . . . . . . . . . . . . . . . . . . . . 24
Alert
Lane Change . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
Rear Cross Traffic . . . . . . . . . . . . . . . . . . . . . . 223
Side Blind Zone (SBZA) . . . . . . . . . . . . . . . . . 228
All-Season Tires . . . . . . . . . . . . . . . . . . . . . . . . . . 277
All-Wheel Drive . . . . . . . . . . . . . . . . . . . . . .201, 265
AM-FM Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Antenna
Multi-band . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
Antilock Brake System (ABS) . . . . . . . . . . . . . 202
Warning Light . . . . . . . . . . . . . . . . . . . . . . . . . 104
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307
Interior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311
Apple CarPlay and Android Auto . . . . . . . . . .158
Armrest
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80