2020 CHEVROLET TRAVERSE engine overheat

Chevrolet Traverse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13527526) - 2020 - CRC - 9/5/19
188 Driving and Operating
.Audio System
. OnStar System
Shifting Into Park
1. Hold the brake pedal down and
set the parking brake. See
Electric Parking Brake 0196.
2. Move the shift lever into P (Park) by holding in the
button on the shift lever and
pushing the shift lever all the
way toward the front of the
vehicle.
3. Turn the ignition off.
Leaving the Vehicle with the
Engine Running
{Warning
It can be dangerous to leave the
vehicle with the engine running.
It could overheat and catch fire. (Continued)
Warning (Continued)
It is dangerous to get out of the
vehicle if the shift lever is not fully
in P (Park) with the parking brake
firmly set. The vehicle can roll.
Do not leave the vehicle when the
engine is running. If you have left
the engine running, the vehicle
can move suddenly. You or others
could be injured. To be sure the
vehicle will not move, even when
you are on fairly level ground,
always set the parking brake and
move the shift lever to P (Park).
SeeShifting Into Park 0188.
If you are towing a trailer, see
Driving Characteristics and
Towing Tips 0233.
If you have to leave the vehicle with
the engine running, be sure the
vehicle is in P (Park) and the
parking brake is set before you
leave it. After you have moved the
shift lever into P (Park), hold the
regular brake pedal down. Then, see if you can move the shift lever
away from P (Park) without first
pressing the button.
If you can, it means that the shift
lever was not fully locked in
P (Park).
Torque Lock
Torque lock is when the weight of
the vehicle puts too much force on
the parking pawl in the
transmission. This happens when
parking on a hill and shifting the
transmission into P (Park) is not
done properly and then it is difficult
to shift out of P (Park). To prevent
torque lock, set the parking brake
and then shift into P (Park). To find
out how, see
“Shifting Into Park”
listed previously.
If torque lock does occur, your
vehicle may need to be pushed
uphill by another vehicle to relieve
the parking pawl pressure, so you
can shift out of P (Park).

Chevrolet Traverse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13527526) - 2020 - CRC - 9/5/19
200 Driving and Operating
Driver Mode Control
If equipped with Front-Wheel Drive
(FWD), the Driver Mode Control
may have the following modes:
FWD, Snow, and Tow/Haul.
If equipped with All-Wheel Drive
(AWD), the Driver Mode Control
may have AWD, Two-Wheel Drive
(2WD), Off-Road, and Tow/Haul.
There may be Driver Information
Center (DIC) messages displayed
for each drive mode.
Driver Mode Control Knobfor FWD
Driver Mode Control Knobfor AWD
Rotate the Driver Mode Control
knob to make a mode selection. The
icons on the knob will illuminate to
indicate which mode is active.
A Driver Information Center (DIC)
message will indicate that the mode
is on when switching to different
modes.
5(AWD Only) orq(FWD
Only) : Vehicle is in either
Front-Wheel Drive for non AWD
vehicles, or Two-Wheel Drive for
AWD vehicles. This mode will
remain active through future ignition
cycles. This setting either puts the vehicle in Two-Wheel Drive (AWD
vehicles) or is the normal drive
mode (FWD vehicles). Use this
mode for normal driving conditions.
This is the most fuel efficient drive
mode. See
Driving for Better Fuel
Economy 0166.
4(AWD Only) : Vehicle is in AWD
Mode. This mode will remain active
through future ignition cycles. AWD
Mode provides drive torque to all
four wheels. Use this mode for
driving conditions that require
improved traction such as gravel,
sand, wet pavement, snow, and ice.
AWD may turn off and display a
message on the DIC in instances of
extensive use or overheating.
When in AWD Mode, the AWD
Mode indicator will be on. For more
information on AWD Mode, see
All-Wheel Drive 0194.
6(FWD Only) : Vehicle is in Snow
Mode. This mode will not remain
active through future ignition cycles.
The vehicle will be in Front-Wheel
Drive when the engine is restarted.
Snow Mode improves vehicle
acceleration on snow and ice

Chevrolet Traverse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13527526) - 2020 - CRC - 9/5/19
Driving and Operating 201
covered roads. The accelerator
pedal will be more sensitive to
provide finer control of the torque at
the wheels in slippery conditions.
7(AWD Only) :Vehicle is in
Off-Road Mode. This mode will not
remain active through future ignition
cycles. The vehicle will be in
Two-Wheel Drive when the engine
is restarted. This mode will
automatically activate AWD. The
accelerator pedal will be more
sensitive to provide finer control of
the torque at the wheels.
StabiliTrak/ESC, ABS, and TCS will
change for optimal off-road
performance. Use this mode for
public off-road recreational driving.
See Off-Road Driving 0170.
_Tow/Haul : Vehicle is in Tow/
Haul Mode. This mode will not
remain active through future ignition
cycles. The vehicle will be in
Front-Wheel Drive or Two-Wheel
Drive when the engine is restarted.
This mode will automatically
activate AWD. See All-Wheel Drive
0 194. The transmission holds lower
gears longer before shifting to provide more torque necessary
when towing heavy loads. This will
also increase fuel consumption. Use
this mode to assist in maintaining
desired vehicle speeds when driving
on downhill grades by using the
engine and transmission to slow the
vehicle. This helps prevent the
brakes from overheating. For more
information, see
Tow/Haul Mode
0 194.
The following table shows how the
different modes affect the various
subsystem functions that may be on
the vehicle.

Chevrolet Traverse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13527526) - 2020 - CRC - 9/5/19
236 Driving and Operating
Making TurnsCaution
Turn more slowly and make wider
arcs when towing a trailer to
prevent damage to your vehicle.
Making very sharp turns could
cause the trailer to contact the
vehicle.
Make wider turns than normal when
towing, so trailer will not go over soft
shoulders, over curbs, or strike road
signs, trees, or other objects.
Always signal turns well in advance.
Do not steer or brake suddenly.
Driving on Grades
Reduce speed and shift to a lower
gear before starting down a long or
steep downhill grade. If the
transmission is not shifted down, the
brakes may overheat and result in
reduced braking efficiency. The vehicle can tow in D (Drive).
Shift the transmission to a lower
gear if the transmission shifts too
often under heavy loads and/or hilly
conditions.
When towing at higher altitudes,
engine coolant will boil at a lower
temperature than at lower altitudes.
If the engine is turned off
immediately after towing at high
altitude on steep uphill grades, the
vehicle could show signs similar to
engine overheating. To avoid this,
let the engine run, preferably on
level ground, with the transmission
in P (Park) for a few minutes before
turning the engine off. If the
overheat warning comes on, see
Engine Overheating
0262.Parking on Hills
{Warning
To prevent serious injury or death,
always park your vehicle and
trailer on a level surface when
possible. When parking your vehicle and your
trailer on a hill:
1. Press the brake pedal, but do not shift into P (Park) yet. Turn
the wheels into the curb if
facing downhill or into traffic if
facing uphill.
2. Have someone place chocks under the trailer wheels.
3. When the wheel chocks are in place, gradually release the
brake pedal to allow the chocks
to absorb the load of the trailer.
4. Reapply the brake pedal. Then apply the parking brake and
shift into P (Park).
5. Release the brake pedal.
Leaving After Parking on a Hill
1. Apply and hold the brake pedal.
.Start the engine.
. Shift into a gear.
. Release the parking brake.
2. Let up on the brake pedal.

Chevrolet Traverse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13527526) - 2020 - CRC - 9/5/19
Driving and Operating 237
3. Drive slowly until the trailer isclear of the chocks.
4. Stop and have someone pick up and store the chocks.
Maintenance When Trailer
Towing
The vehicle needs service more
often when used to tow trailers. See
Maintenance Schedule 0329. It is
especially important to check the
engine oil, axle lubricant, belts,
cooling system, and brake system
before and during each trip.
Check periodically that all nuts and
bolts on the trailer hitch are tight.
Engine Cooling When Trailer
Towing
The cooling system may temporarily
overheat during severe operating
conditions. See Engine Overheating
0 262.
Trailer Towing
Caution
Towing a trailer improperly can
damage the vehicle and result in
costly repairs not covered by the
vehicle warranty. To tow a trailer
correctly, follow the directions in
this section and see your dealer
for important information about
towing a trailer with the vehicle.
Trailer Weight
{Warning
Never exceed the towing capacity
for your vehicle.
Safe trailering requires monitoring
the weight, speed, altitude, road
grades, outside temperature,
dimensions of the front of the trailer,
and how frequently the vehicle is
used to tow a trailer.
Trailer Weight Ratings
When towing a trailer, the combined
weight of the vehicle, vehicle
contents, trailer, and trailer contents
must be below all of the maximum
weight ratings for the vehicle
including:
. GCWR: Gross Combined Weight
Rating
. GVWR: Gross Vehicle Weight
Rating
. Maximum Trailer Weight Rating
. Maximum Trailer Tongue Weight
See “Weight-Distributing Hitch
Adjustment” underTowing
Equipment 0241 to determine if
equalizer bars are required to obtain
the maximum trailer weight rating.
See “Trailer Brakes” underTowing
Equipment 0241 to determine if
brakes are required based on your
trailer's weight.
The only way to be sure the weight
is not exceeding any of these
ratings is to weigh the tow vehicle

Chevrolet Traverse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13527526) - 2020 - CRC - 9/5/19
Vehicle Care 247
Vehicle Care
General Information
General Information . . . . . . . . . . 248
California Proposition65 Warning . . . . . . . . . . . . . . . . . 248
California Perchlorate Materials Requirements . . . . . 249
Accessories and Modifications . . . . . . . . . . . . . . . . 249
Vehicle Checks
Doing Your OwnService Work . . . . . . . . . . . . . . . 249
Hood . . . . . . . . . . . . . . . . . . . . . . . . . 250
Engine Compartment Overview . . . . . . . . . . . . . . . . . . . . 252
Engine Oil . . . . . . . . . . . . . . . . . . . . 253
Engine Oil Life System . . . . . . . 255
Automatic Transmission Fluid . . . . . . . . . . . . . . . . . . . . . . . . 256
Engine Air Filter Life System . . . . . . . . . . . . . . . . . . . . . . 257
Engine Air Cleaner/Filter . . . . . . 257
Cooling System . . . . . . . . . . . . . . 258
Engine Overheating . . . . . . . . . . 262
Washer Fluid . . . . . . . . . . . . . . . . . 263
Brakes . . . . . . . . . . . . . . . . . . . . . . . 264
Brake Fluid . . . . . . . . . . . . . . . . . . . 265 Battery - North America . . . . . . 266
All-Wheel Drive . . . . . . . . . . . . . . . 267
Starter Switch Check . . . . . . . . . 267
Automatic Transmission Shift
Lock Control Function
Check . . . . . . . . . . . . . . . . . . . . . . . 267
Park Brake and P (Park) Mechanism Check . . . . . . . . . . 267
Wiper Blade Replacement . . . . 268
Windshield Replacement . . . . . 269
Gas Strut(s) . . . . . . . . . . . . . . . . . . 269
Headlamp Aiming
Front Headlamp Aiming . . . . . . 271
Bulb Replacement
Bulb Replacement . . . . . . . . . . . . 271
High Intensity Discharge (HID) Lighting . . . . . . . . . . . . . . . . . . . . . 271
LED Lighting . . . . . . . . . . . . . . . . . 271
Headlamps, Front Turn Signal, and Sidemarker . . . . . . . . . . . . . 271
License Plate Lamp . . . . . . . . . . 272
Electrical System
High Voltage Devices and Wiring . . . . . . . . . . . . . . . . . . . . . . . 273
Electrical System Overload . . . 273
Fuses and Circuit Breakers . . . 274
Engine Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 274 Instrument Panel Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 278
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 280
Wheels and Tires
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . 283
All-Season Tires . . . . . . . . . . . . . . 284
Winter Tires . . . . . . . . . . . . . . . . . . 284
Tire Sidewall Labeling . . . . . . . . 284
Tire Designations . . . . . . . . . . . . . 286
Tire Terminology andDefinitions . . . . . . . . . . . . . . . . . . 287
Tire Pressure . . . . . . . . . . . . . . . . . 290
Tire Pressure for High-Speed Operation . . . . . . . . . . . . . . . . . . . 291
Tire Pressure Monitor
System . . . . . . . . . . . . . . . . . . . . . . 291
Tire Pressure Monitor Operation . . . . . . . . . . . . . . . . . . . 292
Tire Inspection . . . . . . . . . . . . . . . . 296
Tire Rotation . . . . . . . . . . . . . . . . . 297
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . . . . . . 298
Buying New Tires . . . . . . . . . . . . . 298
Different Size Tires and Wheels . . . . . . . . . . . . . . . . . . . . . . 300
Uniform Tire Quality Grading . . . . . . . . . . . . . . . . . . . . . 300
Wheel Alignment and Tire Balance . . . . . . . . . . . . . . . . . . . . . 302

Chevrolet Traverse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13527526) - 2020 - CRC - 9/5/19
Vehicle Care 259
2. Engine Coolant Surge Tankand Pressure Cap
{Warning
An underhood electric fan can
start up even when the engine is
not running and can cause injury.
Keep hands, clothing, and tools
away from any underhood
electric fan.
{Warning
Do not touch heater or radiator
hoses, or other engine parts.
They can be very hot and can
burn you. Do not run the engine if
there is a leak; all coolant could
leak out. That could cause an
engine fire and can burn you. Fix
any leak before driving the
vehicle.
Engine Coolant
The cooling system in the vehicle is
filled with DEX-COOL engine
coolant. This coolant needs to be
checked and replaced at
appropriate intervals. See
Maintenance Schedule 0329.
The following explains the cooling
system and how to check and add
coolant when it is low. If there is a
problem with engine overheating,
see Engine Overheating 0262.
What to Use
{Warning
Plain water, or other liquids such
as alcohol, can boil before the
proper coolant mixture will. With
plain water or the wrong mixture,
the engine could get too hot but
there would not be an overheat
warning. The engine could catch
fire and you or others could be
burned. Use a 50/50 mixture of clean,
drinkable water and DEX-COOL
coolant. This mixture:
.
Gives freezing protection down
to−37 °C (−34 °F), outside
temperature.
. Gives boiling protection up to
129 °C (265 °F), engine
temperature.
. Protects against rust and
corrosion.
. Will not damage aluminum parts.
. Helps keep the proper engine
temperature.Caution
Do not use anything other than a
mix of DEX-COOL coolant that
meets GM Standard
GMW3420 and clean, drinkable
water. Anything else can cause
damage to the engine cooling
system and the vehicle, which
would not be covered by the
vehicle warranty.

Chevrolet Traverse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13527526) - 2020 - CRC - 9/5/19
260 Vehicle Care
Never dispose of engine coolant by
putting it in the trash, pouring it on
the ground, or into sewers, streams,
or bodies of water. Have the coolant
changed by an authorized service
center, familiar with legal
requirements regarding used
coolant disposal. This will help
protect the environment and your
health.
Checking Coolant
The vehicle must be on a level
surface when checking the coolant
level.
Check to see if coolant is visible in
the coolant surge tank. If the coolant
inside the coolant surge tank is
boiling, do not do anything else until
it cools down. If coolant is visible
but the coolant level mark is not
visible, add a 50/50 mixture of
clean, drinkable water and
DEX-COOL coolant at the coolant
surge tank to the top rib on the
middle of the tank, but be sure the
cooling system is cool before this is
done. SeeEngine Overheating
0 262.
The coolant surge tank is located in
the engine compartment on the
driver side of the vehicle. See
Engine Compartment Overview
0 252.
How to Add Coolant to the
Coolant Surge Tank
{Warning
Steam and scalding liquids from a
hot cooling system are under
pressure. Turning the pressure
(Continued)
Warning (Continued)
cap, even a little, can cause them
to come out at high speed and
you could be burned. Never turn
the cap when the cooling system,
including the pressure cap, is hot.
Wait for the cooling system and
pressure cap to cool.
{Warning
Plain water, or other liquids such
as alcohol, can boil before the
proper coolant mixture will. With
plain water or the wrong mixture,
the engine could get too hot but
there would not be an overheat
warning. The engine could catch
fire and you or others could be
burned.