maintenance CHEVROLET BLAZER 2019 Workshop Manual

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
376 Customer Information
Customer Literature
Owner’s manuals are written
specifically for owners and are
intended to provide basic
operational information about the
vehicle. The owner ’s manual
includes the Maintenance Schedule
for all models.
Customer literature publications
available for purchase include
owner ’s manuals, warranty
manuals, infotainment manuals, and
portfolios. Portfolios include an
owner ’s manual, warranty manual,
infotainment manual, if applicable,
and zip lock bag or pouch.
Current and Past Models
Service manuals and customer
literature are available for many
current and past model year GM
vehicles.
To order, call 1-800-551-4123
Monday–Friday, 8:00 a.m.–6:00 p.m.
eastern time For credit card orders only (VISA,
MasterCard, or Discover), see
Helm, Inc. at: www.helminc.com.
To order by mail, write to:
Helm, Incorporated
Attention: Customer Service
47911 Halyard Drive
Plymouth, MI 48170
Make checks payable in U.S. funds.
Radio Frequency
Statement
This vehicle has systems that
operate on a radio frequency that
complies with Part 15/Part 18 of the
Federal Communications
Commission (FCC) rules and with
Innovation, Science and Economic
Development (ISED) Canada's
RSP-100 / license-exempt RSS's /
ICES-001.
Operation is subject to the following
two conditions:
1. The device may not cause harmful interference.
2. The device must accept any interference received, including
interference that may cause
undesired operation of the
device.
Changes or modifications to any of
these systems by other than an
authorized service facility could void
authorization to use this equipment.

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
Connected Services 391
Make a Call1. Press
=. System responds:
“OnStar ready.”
2. Say “Call.”System responds:
“Call. Please say the name or
number to call.”
3. Say the entire number without pausing, including a “1”and the
area code. System responds:
“OK, calling.”
Calling 911 Emergency
1. Press=. System responds:
“OnStar ready.”
2. Say “Call.”System responds:
“Call. Please say the name or
number to call.”
3. Say “911”without pausing.
System responds: “911.”
4. Say “Call.”System responds:
“OK, dialing 911.”
Retrieve My Number
1. Press=. System responds:
“OnStar ready.”
2. Say “My number.” System
responds: “Your OnStar
Hands-Free Calling number is,”
then says the number.
End a Call
Press=. System responds: “Call
ended.”
Verify Minutes and Expiration
Press=and say “Minutes” then
“Verify” to check how many minutes
remain and their expiration date.
If equipped, press
=and touch
Account Services to view the
number of remaining minutes,
available Wi-Fi data, and other
account information.
Diagnostics
By monitoring and reporting on the
vehicle's key systems, OnStar
Advanced Diagnostics, if equipped,
provides a way to keep up on
maintenance. Capabilities vary by
model. See www.onstar.com for
details and system limitations.
Features are subject to change. For
updates on feature capabilities, see
my.chevrolet.com. Message and
data rates may apply.

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
392 Index
IndexA
Accessories andModifications . . . . . . . . . . . . . . . . . . 259
Accessory Power . . . . . . . . . . . . . . . 197
Active Fuel Management . . . . . . . 199
Adaptive Cruise Control . . . . . . . . 214
Add-On Electrical Equipment . . . 256
Additional Information OnStar . . . . . . . . . . . . . . . . . . . . . . . 382
Additional Maintenance
and Care . . . . . . . . . . . . . . . . . . . . . . 356
Adjustments Lumbar, Front Seats . . . . . . . . . . . . 62
Air Cleaner/Filter, Engine . . . . . . . 269
Air Conditioning . . . . . . . . . . . . . . . . 170
Air Filter
Life System . . . . . . . . . . . . . . . . . . . 269
Air Filter, Passenger Compartment . . . . . . . . . . . . . . . . . 175
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 174
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . . . 90
How Does an AirbagRestrain? . . . . . . . . . . . . . . . . . . . . . 83 Airbag System (cont'd)
Passenger Sensing System . . . . 85
What Makes an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 83
What Will You See after an Airbag Inflates? . . . . . . . . . . . . . . . 84
When Should an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 82
Where Are the Airbags? . . . . . . . . 81
Airbags Adding Equipment to theVehicle . . . . . . . . . . . . . . . . . . . . . . . . 89
Passenger Status Indicator . . . 134
Readiness Light . . . . . . . . . . . . . . 134
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . . . 89
System Check . . . . . . . . . . . . . . . . . . 79
Alarm
Vehicle Security . . . . . . . . . . . . . . . . 47
Alert Lane Change . . . . . . . . . . . . . . . . . 236
Side Blind Zone (SBZA) . . . . . . 236
All-Season Tires . . . . . . . . . . . . . . . . 296
All-Wheel Drive . . . . . . . . . . . . 204, 280

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
396 Index
Front SeatsAdjustment . . . . . . . . . . . . . . . . . . . . . 61
Heated and Ventilated . . . . . . . . . . 67
Fuel Additives . . . . . . . . . . . . . . . . . . . . . 241
Economy Driving . . . . . . . . . . . . . . . 24
Filling a Portable FuelContainer . . . . . . . . . . . . . . . . . . . 243
Filling the Tank . . . . . . . . . . . . . . . 241
Foreign Countries . . . . . . . . . . . . 241
Gauge . . . . . . . . . . . . . . . . . . . . . . . . 131
Low Fuel Warning Light . . . . . . . 142
Management, Active . . . . . . . . . . 199
Prohibited Fuels . . . . . . . . . . . . . . 240
Recommended . . . . . . . . . . . . . . . 240
Top Tier . . . . . . . . . . . . . . . . . . . . . . 240
Fuses Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 287
Fuses and Circuit Breakers . . . 286
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 291
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 293G
Garage Door Opener . . . . . . . . . . . 156Programming . . . . . . . . . . . . . . . . . 156
Gas Strut(s) . . . . . . . . . . . . . . . . . . . . 282
Gauges Engine CoolantTemperature . . . . . . . . . . . . . . . . 132
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Odometer . . . . . . . . . . . . . . . . . . . . . 130
Speedometer . . . . . . . . . . . . . . . . . 130
Tachometer . . . . . . . . . . . . . . . . . . . 130
Trip Odometer . . . . . . . . . . . . . . . . 130
Warning Lights and Indicators . . . . . . . . . . . . . . . . . . . 123
General Information Service and Maintenance . . . . . 348
Towing . . . . . . . . . . . . . . . . . . . . . . . . 243
Vehicle Care . . . . . . . . . . . . . . . . . . 258
Glove Box . . . . . . . . . . . . . . . . . . . . . . 109
GM Mobility Reimbursement
Program . . . . . . . . . . . . . . . . . . . . . . . 370
H
Hazard Warning Flashers . . . . . . . 164
Head Restraints . . . . . . . . . . . . . . . . . 59
HeadlampsAiming . . . . . . . . . . . . . . . . . . . . . . . . 284
Automatic . . . . . . . . . . . . . . . . . . . . . 163 Headlamps (cont'd)
Bulb Replacement . . . . . . . . . . . . 284
Daytime Running
Lamps (DRL) . . . . . . . . . . . . . . . . 163
Flash-to-Pass . . . . . . . . . . . . . . . . . 162
High Intensity Discharge (HID) Lighting . . . . . . . . . . . . . . . 284
High-Beam On Light . . . . . . . . . . 142
High/Low Beam Changer . . . . . 162
Lamps On Reminder . . . . . . . . . 143
Heated Rear Seats . . . . . . . . . . . . . . . . . . . . . 71
Steering Wheel . . . . . . . . . . . . . . . .116
Heated and Ventilated Front
Seats . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Heated Mirrors . . . . . . . . . . . . . . . . . . . 50
Heater Engine . . . . . . . . . . . . . . . . . . . . . . . . 196
Heating . . . . . . . . . . . . . . . . . . . . . . . . . 170
High Voltage Devices and Wiring . . . . . . . . . . . . . . . . . . . . . . . . . 285
High-Beam On Light . . . . . . . . . . . . 142
High-Speed Operation . . . . . . . . . . 304
Hill and Mountain Roads . . . . . . . . 185
Hill Start Assist (HSA) . . . . . . . . . . 208
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . 260
Hooks Shopping Bag . . . . . . . . . . . . . . . . . 111

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
398 Index
Lights (cont'd)Tow/Haul Mode . . . . . . . . . . . . . . . 139
Traction Control System
(TCS)/StabiliTrak . . . . . . . . . . . . 141
Traction Off . . . . . . . . . . . . . . . . . . . 140
Locks Automatic Door . . . . . . . . . . . . . . . . . 38
Delayed Locking . . . . . . . . . . . . . . . . 38
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Lockout Protection . . . . . . . . . . . . . . 38
Power Door . . . . . . . . . . . . . . . . . . . . . 38
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Loss of Control . . . . . . . . . . . . . . . . . 180
Low Fuel Warning Light . . . . . . . . . 142
Lower Anchors and Tethers for Children (LATCH
System) . . . . . . . . . . . . . . . . . . . . . . . . 98
Lumbar Adjustment . . . . . . . . . . . . . . 62
Front Seats . . . . . . . . . . . . . . . . . . . . . 62
M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . . . 361
Maintenance and Care
Additional . . . . . . . . . . . . . . . . . . . . . 356
Maintenance Schedule . . . . . . . . . 350 Maintenance Schedule (cont'd)
Recommended Fluids and
Lubricants . . . . . . . . . . . . . . . . . . . 359
Malfunction Indicator Lamp . . . . . 135
Manual Mode . . . . . . . . . . . . . . . . . . . 203
Memory Features . . . . . . . . . . . . . . . . 12
Memory Seats . . . . . . . . . . . . . . . . . . . 64
Messages Engine Power . . . . . . . . . . . . . . . . 151
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 150
Vehicle Speed . . . . . . . . . . . . . . . . 151
Mirror Rear Camera . . . . . . . . . . . . . . . . . . . 51
Mirrors
Automatic Dimming . . . . . . . . . . . . . 50
Automatic DimmingRearview . . . . . . . . . . . . . . . . . . . . . . 50
Convex . . . . . . . . . . . . . . . . . . . . . . . . . 49
Folding . . . . . . . . . . . . . . . . . . . . . . . . . 49
Heated . . . . . . . . . . . . . . . . . . . . . . . . . 50
Manual Rearview . . . . . . . . . . . . . . . 50
Power . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Tilt in Reverse . . . . . . . . . . . . . . . . . . 50
Mirrors, Interior Rearview . . . . . . . . 50
Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 210 Driver Control . . . . . . . . . . . . . . . . . 210
Monitor System, Tire Pressure . . . . . . . . . . . . . . . . . . . . . . 305
N
Navigation
Connected Services . . . . . . . . . . 388
New Vehicle Break-In . . . . . . . . . . . 192
O
Odometer . . . . . . . . . . . . . . . . . . . . . . . 130 Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Off-Road . . . . . . . . . . . . . . . . . . . . . . . 180 Driving . . . . . . . . . . . . . . . . . . . . . . . . 180
Recovery . . . . . . . . . . . . . . . . . . . . . 179
Oil Engine . . . . . . . . . . . . . . . . . . . . . . . . 265
Engine Oil Life System . . . . . . . 267
Pressure Light . . . . . . . . . . . . . . . . 141
Older Children, Restraints . . . . . . . 91
Online Owner Center . . . . . . . . . . . 369
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . 379
OnStar Additional Information . . . . . . . . . . . . . . . . . . . . 382
OnStar Emergency . . . . . . . . . . . . . 381
OnStar Overview . . . . . . . . . . . . . . . 380
OnStar Security . . . . . . . . . . . . . . . . 382
Outlets Power . . . . . . . . . . . . . . . . . . . . . . . . .119
Overheating, Engine . . . . . . . . . . . . 275

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
Index 399
P
ParkShifting Into . . . . . . . . . . . . . . . . . . . 197
Shifting Out of . . . . . . . . . . . . . . . . 198
Park Assist . . . . . . . . . . . . . . . . . . . . . 225
Parking
Brake and P (Park)Mechanism Check . . . . . . . . . . 280
Extended . . . . . . . . . . . . . . . . . . . . . 199
Over Things That Burn . . . . . . . 199
Parking or Backing Assistance Systems . . . . . . . . . . 225
Passenger Airbag Status Indicator . . . . . . . . . . . . . . . . . . . . . . 134
Passenger Compartment Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Passenger Sensing System . . . . . 85
Pedestrian Ahead Indicator . . . . . 140
Perchlorate Materials Requirements, California . . . . . . 259
Personalization Vehicle . . . . . . . . . . . . . . . . . . . . . . . 151
Power Door Locks . . . . . . . . . . . . . . . . . . . . . 38
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Outlets . . . . . . . . . . . . . . . . . . . . . . . .119
Protection, Battery . . . . . . . . . . . . 167
Retained Accessory (RAP) . . . 197 Power (cont'd)
Seat Adjustment . . . . . . . . . . . . . . . . 61
Windows . . . . . . . . . . . . . . . . . . . . . . . 53
Pregnancy, Using Seat Belts . . . . 77
Privacy
Vehicle Data Recording . . . . . . . 378
Program Courtesy Transportation . . . . . . 372
Prohibited Fuels . . . . . . . . . . . . . . . . 240
Proposition
65 Warning,
California . . . . . . . . . . . .258, 279, 332, Back Cover
Publication Ordering
Information . . . . . . . . . . . . . . . . . . . . 375
R
Radio Frequency Statement . . . . 376
Reading Lamps . . . . . . . . . . . . . . . . . 165
Rear Camera Mirror . . . . . . . . . . . . . 51
Rear Seats . . . . . . . . . . . . . . . . . . . . . . 68Heated . . . . . . . . . . . . . . . . . . . . . . . . . 71
Rear Storage . . . . . . . . . . . . . . . . . . . 110
Rear Vision Camera (RVC) . . . . . 225
Rear Window Washer/Wiper . . . . 118
Rearview Mirrors . . . . . . . . . . . . . . . . 50 Automatic Dimming . . . . . . . . . . . . . 50
Reclining Seatbacks . . . . . . . . . . . . . 62 Recommended
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 240
Recommended Fluids and Lubricants . . . . . . . . . . . . . . . . . . . . . 359
Records Maintenance . . . . . . . . . . . . . . . . . . 361
Recreational Vehicle Towing . . . . 335
Reimbursement Program,
GM Mobility . . . . . . . . . . . . . . . . . . . 370
Remote Keyless Entry (RKE) System . . . . . . . . . . . . . . . . . . . . . . . . . 27
Remote Vehicle Start . . . . . . . . . . . . 34
Replacement Parts Airbags . . . . . . . . . . . . . . . . . . . . . . . . . 91
Maintenance . . . . . . . . . . . . . . . . . . 360
Replacing Airbag System . . . . . . . . 91
Replacing LATCH System
Parts after a Crash . . . . . . . . . . . . 103
Replacing Seat Belt System Parts after a Crash . . . . . . . . . . . . . 78
Reporting Safety Defects
Canadian Government . . . . . . . . 377
General Motors . . . . . . . . . . . . . . . 377
U.S. Government . . . . . . . . . . . . . 377
Restraints
Where to Put . . . . . . . . . . . . . . . . . . . 97
Retained Accessory Power (RAP) . . . . . . . . . . . . . . . . . . 197

Chevrolet Blazer (GMNA-Localizing-U.S./Canada/Mexico-12461541) - 2019 -
CRC - 3/11/19
400 Index
Reverse Tilt Mirrors . . . . . . . . . . . . . . 50
RoadsDriving, Wet . . . . . . . . . . . . . . . . . . 184
Roadside Assistance Program . . . . . . . . . . . . . . . . . . . . . . . 370
Roof Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . 56
Roof Rack System . . . . . . . . . . . . . . 114
Rotation, Tires . . . . . . . . . . . . . . . . . . 310
Routing, Engine Drive Belt . . . . . . 365
Running the Vehicle While Parked . . . . . . . . . . . . . . . . . . . . . . . . 201
S
Safety Defects ReportingCanadian Government . . . . . . . . 377
General Motors . . . . . . . . . . . . . . . 377
U.S. Government . . . . . . . . . . . . . 377
Safety Locks . . . . . . . . . . . . . . . . . . . . . 39
Safety System Check . . . . . . . . . . . . 78
Scheduling Appointments . . . . . . . 372
Sealant Kit, Tire . . . . . . . . . . . . . . . . 319
Seat Belts . . . . . . . . . . . . . . . . . . . . . . . 71 Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Extender . . . . . . . . . . . . . . . . . . . . . . . . 77
How to Wear Seat BeltsProperly . . . . . . . . . . . . . . . . . . . . . . . 72
Lap-Shoulder Belt . . . . . . . . . . . . . . 74 Seat Belts (cont'd)
Reminders . . . . . . . . . . . . . . . . . . . . 133
Replacing after a Crash . . . . . . . . 78
Use During Pregnancy . . . . . . . . . . 77
Seats Adjustment, Front . . . . . . . . . . . . . . . 61
Head Restraints . . . . . . . . . . . . . . . . 59
Heated and Ventilated Front . . . . 67
Heated, Rear . . . . . . . . . . . . . . . . . . . 71
Lumbar Adjustment, Front . . . . . . 62
Memory . . . . . . . . . . . . . . . . . . . . . . . . . 64
Power Adjustment, Front . . . . . . . 61
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Reclining Seatbacks . . . . . . . . . . . . 62
Securing Child Restraints . . . . . . . . . . . . . . . . 103, 105
Security Light . . . . . . . . . . . . . . . . . . . . . . . . . . 142
OnStar . . . . . . . . . . . . . . . . . . . . . . . 382
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . 47
Vehicle Alarm . . . . . . . . . . . . . . . . . . . 47
Service . . . . . . . . . . . . . . . . . . . . . . . . . 175 Accessories and
Modifications . . . . . . . . . . . . . . . . 259
Doing Your Own Work . . . . . . . . 259
Maintenance Records . . . . . . . . 361
Maintenance, General Information . . . . . . . . . . . . . . . . . . 348 Service (cont'd)
Parts Identification Label . . . . . 362
Scheduling Appointments . . . . . 372
Service Electric Parking
Brake Light . . . . . . . . . . . . . . . . . . . . 138
Services Special Application . . . . . . . . . . . 355
Servicing the Airbag . . . . . . . . . . . . . 89
Shift Lock Control Function Check, Automatic
Transmission . . . . . . . . . . . . . . . . . . 280
Shifting Into Park . . . . . . . . . . . . . . . . . . . . . . 197
Out of Park . . . . . . . . . . . . . . . . . . . 198
Shopping Bag Hooks . . . . . . . . . . . 111
Side Blind Zone Alert (SBZA) . . . 236
Signals, Turn and Lane-Change . . . . . . . . . . . . . . . . . 164
Spare Tire Compact . . . . . . . . . . . . . . . . . . . . . . 331
Special Application Services . . . . 355
Specifications and Capacities . . . . . . . . . . . . . . . . . . . . . 363
Speedometer . . . . . . . . . . . . . . . . . . . 130
StabiliTrak OFF Light . . . . . . . . . . . . . . . . . . . . . 140
Start Vehicle, Remote . . . . . . . . . . . 34
Starter Switch Check . . . . . . . . . . . 280