2021 CHEVROLET COLORADO Lumbar

Chevrolet Colorado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14430421) - 2021 - CRC - 2/10/20
Seats and Restraints 21
Seats and Restraints
Head Restraints
Head Restraints . . . . . . . . . . . . . . . . . . . . . . . . . 21
Front Seats
Seat Adjustment . . . . . . . . . . . . . . . . . . . . . . . . 23
Power Seat Adjustment . . . . . . . . . . . . . . . . . 23
Lumbar Adjustment . . . . . . . . . . . . . . . . . . . . . 23
Reclining Seatbacks . . . . . . . . . . . . . . . . . . . . . 24
Heated Front Seats . . . . . . . . . . . . . . . . . . . . . 25
Rear Seats
Rear Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Seat Belts
Seat Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Buckle To Drive . . . . . . . . . . . . . . . . . . . . . . . . . 28
How to Wear Seat Belts Properly . . . . . . 28
Lap-Shoulder Belt . . . . . . . . . . . . . . . . . . . . . . . 30
Seat Belt Use During Pregnancy . . . . . . . . 33
Seat Belt Extender . . . . . . . . . . . . . . . . . . . . . . 33
Safety System Check . . . . . . . . . . . . . . . . . . . 33
Seat Belt Care . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Replacing Seat Belt System Parts after aCrash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Airbag System
Airbag System . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Where Are the Airbags? . . . . . . . . . . . . . . . . 36
When Should an Airbag Inflate? . . . . . . . . 37 What Makes an Airbag Inflate? . . . . . . . . . 37
How Does an Airbag Restrain? . . . . . . . . . 38
What Will You See after an Airbag
Inflates? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Passenger Sensing System . . . . . . . . . . . . . 39
Servicing the Airbag-Equipped
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Adding Equipment to the Airbag-Equipped Vehicle . . . . . . . . . . . . . . 43
Airbag System Check . . . . . . . . . . . . . . . . . . . 43
Replacing Airbag System Parts after a Crash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Child Restraints
Older Children . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Infants and Young Children . . . . . . . . . . . . . 45
Child Restraint Systems . . . . . . . . . . . . . . . . 47
Where to Put the Restraint . . . . . . . . . . . . 49
Lower Anchors and Tethers for Children(LATCH System) . . . . . . . . . . . . . . . . . . . . . . . 51
Replacing LATCH System Parts After a Crash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Securing Child Restraints (With the Seat Belt in the Rear Seat) . . . . . . . . . . . . . . . . 64
Securing Child Restraints (With the Seat Belt in the Front Seat) . . . . . . . . . . . . . . . 69
Head Restraints
The vehicle's front seats have adjustable
head restraints in the outboard seating
positions.
{Warning
With head restraints that are not
installed and adjusted properly, there is a
greater chance that occupants will suffer
a neck/spinal injury in a crash. Do not
drive until the head restraints for all
occupants are installed and adjusted
properly.

Chevrolet Colorado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14430421) - 2021 - CRC - 2/10/20
Seats and Restraints 23
Front Seats
Seat Adjustment
{Warning
You can lose control of the vehicle if you
try to adjust a driver seat while the
vehicle is moving. Adjust the driver seat
only when the vehicle is not moving.
To adjust the seat:1. Pull the handle at the front of the seat.
2. Slide the seat to the desired position and release the handle.
3. Try to move the seat back and forth to be sure the seat is locked in place.
Power Seat Adjustment
{Warning
The power seats will work with the
ignition off. Children could operate the
power seats and be injured. Never leave
children alone in the vehicle.
To adjust a power driver seat, if equipped:
.Move the seat forward or rearward by
sliding the control forward or rearward.
.Raise or lower the entire seat by moving
the rear of the control up or down.
.If equipped, raise or lower the front part
of the seat cushion by moving the front
of the control up or down. To adjust the seatback, see
Reclining
Seatbacks 024.
Lumbar Adjustment
Power Lumbar
If equipped, press and hold the top of the
control to increase lumbar support. Press
and hold the bottom of the control to
decrease lumbar support. Release the control
when the seatback reaches the desired level
of lumbar support.

Chevrolet Colorado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14430421) - 2021 - CRC - 2/10/20
Index 347
IndexA
Accessories and Modifications . . . . . . . . . . . 237
Accessory Power . . . . . . . . . . . . . . . . . . . . . . . . . 188
Active Fuel Management . . . . . . . . . . . . . . . . 190
Add-On Electrical Equipment . . . . . . . . . . . . . 234
Additional InformationOnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340
Additional Maintenance and Care . . . . . . . . .318
Adjustments Lumbar, Front Seats . . . . . . . . . . . . . . . . . . . . 23
Agreements Trademarks and License . . . . . . . . . . . . . . . 154
Air Cleaner/Filter, Engine . . . . . . . . . . . . . . . . 246
Air Conditioning . . . . . . . . . . . . . . . . . . . . . 163, 165
Air Filter, Passenger Compartment . . . . . . . 168
Air Vents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
How Does an Airbag Restrain? . . . . . . . . . . 38
Passenger Sensing System . . . . . . . . . . . . . . 39
What Makes an Airbag Inflate? . . . . . . . . . 37
What Will You See after an AirbagInflates? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
When Should an Airbag Inflate? . . . . . . . . 37
Where Are the Airbags? . . . . . . . . . . . . . . . . 36
Airbags Adding Equipment to the Vehicle . . . . . . . 43
Passenger Status Indicator . . . . . . . . . . . . . . 85 Airbags (cont'd)
Readiness Light . . . . . . . . . . . . . . . . . . . . . . . . . 85
Servicing Airbag-Equipped Vehicles . . . . . . 42
System Check . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Alarm Vehicle Security . . . . . . . . . . . . . . . . . . . . . . . . 14
All-Season Tires . . . . . . . . . . . . . . . . . . . . . . . . . . 268
All-Terrain Tires . . . . . . . . . . . . . . . . . . . . . . . . . . 269
AM-FM Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Antenna
Multi-band . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Antilock Brake System (ABS) . . . . . . . . . . . . . 201
Warning Light . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303
Interior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307
Apple CarPlay and Android Auto . . . . . . . . . 144
Assistance Program, Roadside . . . . . . . . . . . . . 331
Assistance Systems for Parking and Backing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Audio
Bluetooth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Automatic Climate Control System . . . . . . . . . . . . . . . . 165
Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Emergency Braking (AEB) . . . . . . . . . . . . . . 214
Headlamp System . . . . . . . . . . . . . . . . . . . . . 102
Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191

Chevrolet Colorado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14430421) - 2021 - CRC - 2/10/20
352 Index
Lamps (cont'd)Exterior Controls . . . . . . . . . . . . . . . . . . . . . . . 101
Exterior Lamps Off Reminder . . . . . . . . . . 102
Exterior Lighting Battery Saver . . . . . . . . 107
Malfunction Indicator (Check
Engine) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
On Reminder . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Taillamps, Stoplamps, and Back-up . . . . . 259
Lane Departure Warning (LDW) . . . . . . . . . . 216
Lane Departure Warning Light . . . . . . . . . . . . 89
Lap-Shoulder Belt . . . . . . . . . . . . . . . . . . . . . . . . . 30
LATCH System Replacing Parts after a Crash . . . . . . . . . . . 63
LATCH, Lower Anchors and Tethers for Children . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Lighting Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Illumination Control . . . . . . . . . . . . . . . . . . . 105
Lights
Airbag Readiness . . . . . . . . . . . . . . . . . . . . . . . 85
Antilock Brake System (ABS)Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Brake System Warning . . . . . . . . . . . . . . . . . 87
Charging System . . . . . . . . . . . . . . . . . . . . . . . 86
Check Engine (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 Lights (cont'd)
Cruise Control . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Door Ajar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Engine Oil Pressure . . . . . . . . . . . . . . . . . . . . . 91
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Four-Wheel-Drive . . . . . . . . . . . . . . . . . . . . . . . 88
Front Fog Lamp . . . . . . . . . . . . . . . . . . . . . . . . . 92
High-Beam On . . . . . . . . . . . . . . . . . . . . . . . . . . 92
High/Low Beam Changer . . . . . . . . . . . . . . 102
Hill Descent Control . . . . . . . . . . . . . . . . . . . . 89
Lane Departure Warning . . . . . . . . . . . . . . . . 89
Low Fuel Warning . . . . . . . . . . . . . . . . . . . . . . 91
Seat Belt Reminders . . . . . . . . . . . . . . . . . . . . 84
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
StabiliTrak OFF . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Tire Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Tow/Haul Mode . . . . . . . . . . . . . . . . . . . . . . . . 89
Traction Control System
(TCS)/StabiliTrak . . . . . . . . . . . . . . . . . . . . . . 90
Traction Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Limited-Slip Differential . . . . . . . . . . . . . . . . . . 206
Locking Front Axle . . . . . . . . . . . . . . . . . . . . . . . 207
Locking Rear Axle . . . . . . . . . . . . . . . . . . . . . . . . 206
Locks
Automatic Door . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Delayed Locking . . . . . . . . . . . . . . . . . . . . . . . . . 12
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Lockout Protection . . . . . . . . . . . . . . . . . . . . . . . 13 Locks (cont'd)
Power Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Loss of Control . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
Low Fuel Warning Light . . . . . . . . . . . . . . . . . . .91
Lower Anchors and Tethers for Children (LATCH System) . . . . . . . . . . . . . . . . . 51
Lumbar Adjustment . . . . . . . . . . . . . . . . . . . . . . . .23 Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324
Maintenance and Care Additional . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 318
Maintenance Schedule . . . . . . . . . . . . . . . . . . . . 312 Recommended Fluids and
Lubricants . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321
Transfer Case . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Malfunction Indicator Lamp . . . . . . . . . . . . . . . 86
Manual Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Manual Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Map Data Updates . . . . . . . . . . . . . . . . . . . . . . . .134
Maps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Media Avoiding Untrusted Devices . . . . . . . . . . . . . 118
Messages Engine Power . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

Chevrolet Colorado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14430421) - 2021 - CRC - 2/10/20
Index 355
Seat Belts (cont'd)Extender . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
How to Wear Seat Belts Properly . . . . . . . 28
Lap-Shoulder Belt . . . . . . . . . . . . . . . . . . . . . . . 30
Reminders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Replacing after a Crash . . . . . . . . . . . . . . . . . 34
Use During Pregnancy . . . . . . . . . . . . . . . . . . 33
Seats Adjustment, Front . . . . . . . . . . . . . . . . . . . . . . 23
Head Restraints . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Heated Front . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Lumbar Adjustment, Front . . . . . . . . . . . . . . 23
Power Adjustment, Front . . . . . . . . . . . . . . . 23
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Reclining Seatbacks . . . . . . . . . . . . . . . . . . . . . 24
Underseat Storage . . . . . . . . . . . . . . . . . . . . . . 73
Securing Child Restraints . . . . . . . . . . . . . . 64, 69
Security Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Vehicle Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168 Accessories and Modifications . . . . . . . . . 237
Climate Control System . . . . . . . . . . . . . . . . 163
Doing Your Own Work . . . . . . . . . . . . . . . . . 238
Maintenance Records . . . . . . . . . . . . . . . . . . 324
Maintenance, General Information . . . . . . 311 Service (cont'd)
Parts Identification . . . . . . . . . . . . . . . . . . . . . 325
Scheduling Appointments . . . . . . . . . . . . . . 332
Services Special Application . . . . . . . . . . . . . . . . . . . . . 318
Servicing System . . . . . . . . . . . . . . . . . . . . . . . . .134
Servicing the Airbag . . . . . . . . . . . . . . . . . . . . . . 42
Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Shift Lock Control Function Check, Automatic Transmission . . . . . . . . . . . . . . . . 256
Shifting Into Park . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Out of Park . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Signals, Turn and Lane-Change . . . . . . . . . . . 103
Software Updates . . . . . . . . . . . . . . . . . . . . . . . . . 115
Spare Tire Compact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294
Special Application Services . . . . . . . . . . . . . . .318
Specifications and Capacities . . . . . . . . . . . . . 325
Speedometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
StabiliTrak OFF Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Start Assist, Hill . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Start Vehicle, Remote . . . . . . . . . . . . . . . . . . . . . . 11
Starter Switch Check . . . . . . . . . . . . . . . . . . . . . 256
Starting the Engine . . . . . . . . . . . . . . . . . . . . . . 186
Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171 Heated Wheel . . . . . . . . . . . . . . . . . . . . . . . . . . 75 Steering (cont'd)
Wheel Adjustment . . . . . . . . . . . . . . . . . . . . . . 75
Wheel Controls . . . . . . . . . . . . . . . . . . . . . . . . . 75
Steering Wheel Controls . . . . . . . . . . . . . . . . . . 111
Storage Areas Center Console . . . . . . . . . . . . . . . . . . . . . . . . . 73
Glove Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Sunglasses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Underseat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Storage Compartments . . . . . . . . . . . . . . . . . . . .72
Struts Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257
Stuck Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . .178
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Sunglass Storage . . . . . . . . . . . . . . . . . . . . . . . . . .72
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
System Forward Collision Alert (FCA) . . . . . . . . . . . 213
Global Positioning . . . . . . . . . . . . . . . . . . . . . 133
Infotainment . . . . . . . . . . . . . . . . . . . . . . . . . . . 338
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Systems Driver Assistance . . . . . . . . . . . . . . . . . . . . . . 209
T
Tachometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Tailgate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14