climate control CHEVROLET VOLT 2020 User Guide

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13556250) - 2020 - CRC - 2/11/20
164 Climate Controls
The heated seats, if equipped,
climate on/off, recirculation, heat,
and air conditioning can be
controlled by touching Climate
Settings on the infotainment
Home Page.
A selection can then be made on
the climate settings page.
Automatic Operation
The system automatically controls
the fan speed, air delivery, air
conditioning, electric heating, and
recirculation to heat or cool the
vehicle to the selected temperature.
When AUTO is lit, all five functions
operate automatically. Each function
can also be manually set and the
selected setting is displayed or the
indicator is lit. Functions not
manually set will continue to be
automatically controlled, even if the
AUTO indicator is not lit.
For automatic operation:1. Press AUTO. 2. Set the temperature. An initial
setting of 22 °C (72 °F) is
recommended. Allow the
system time to stabilize. Adjust
the temperature as needed.
Manual Operation
ON : Touch to turn the climate
control system on and off.
The climate control system will turn
on when any climate control button
is pressed on the center stack or
touched on the climate control
display. To turn the system off,
touch ON again.
DorC: Press the buttons to
increase or decrease the fan speed.
The fan speed setting appears on
the climate control display. Manually
adjusting the fan speed cancels
automatic fan control. Press AUTO
to return to automatic operation.
Touch ON to turn off the fan and the
climate control system.
Temperature Control : Turn the
knob clockwise or counterclockwise
to increase or decrease the
temperature setting. Air Delivery Mode Control :
Press
c,d, or0on the center stack
to change the direction of airflow.
Any combination of the three
buttons can be selected. The
selected air delivery mode button
indicator is lit.
Pressing any button cancels
automatic air delivery control and
the direction of the airflow can be
controlled manually. Press AUTO to
return to automatic operation.
0: Air is directed to the
windshield.
d: Air is directed to the instrument
panel outlets.
c: Air is directed to the floor
outlets.
0MAX : Air is directed to the
windshield and the fan runs at a
higher speed. Fog or frost is cleared
from the windshield more quickly.
When the button is pressed again,
the system returns to the previous
mode setting.

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13556250) - 2020 - CRC - 2/11/20
Climate Controls 165
For best results, clear all snow and
ice from the windshield before
defrosting.
L:Touch to turn on
recirculation.
An indicator light comes on. Air is
recirculated to quickly cool the
inside of the vehicle or to reduce the
entry of outside air and odors. Using
the recirculation mode for extended
periods may cause the windows to
fog. If this happens, select the
defrost mode.
Using air conditioning and
recirculation together for long
periods of time may cause the air
inside the vehicle to become too
dry. To prevent this from happening,
after the air in the vehicle has
cooled, turn the recirculation
mode off.
Touching this button cancels
automatic recirculation. Press AUTO
to return to automatic operation;
recirculation runs automatically as
needed.
vHEAT : Touch to turn the heater
on when the fan is on. A/C :
Touch to turn the air
conditioning on when the fan is on.
Auto Defog : The system will
monitor high humidity inside the
vehicle. When high humidity is
detected, the climate control system
may adjust to outside air supply and
turn on the air conditioner or the
heater. The fan speed may slightly
increase to help prevent fogging.
When high humidity is no longer
detected, the system will return to
its prior operation. To turn Auto
Defog off or on, see “Climate and
Air Quality” underVehicle
Personalization 0121.
Auto Heated Seats : If equipped,
when the vehicle is on, this feature
will automatically activate the
heated seats at the level required by
the vehicle’ s interior temperature. In
auto mode, the indicators
automatically show the level setting
required.
Use the manual heated seat buttons
on the infotainment display to turn
auto heated seats off. Once this feature is turned off, the auto heated
seats will be activated the next time
the vehicle is turned on.
In manual mode, the controls can
be accessed while the vehicle is on
by touching
(orMwith three level
indicators high, medium, low or off
on the climate control display. If the
passenger seat is unoccupied, the
auto heated seats feature will not
activate that seat. See Heated Front
Seats 035 and
Vehicle Personalization 0121.
Rear Window Defogger
K:Press to turn the rear window
defogger on or off. An indicator light
on the button comes on to show that
the rear window defogger is on.
The defogger only works when the
vehicle is on. The defogger will turn
off if the vehicle is turned off.

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13556250) - 2020 - CRC - 2/11/20
166 Climate Controls
Caution
Do not try to clear frost or other
material from the inside of the
front windshield and rear window
with a razor blade or anything
else that is sharp. This may
damage the rear window
defogger grid and affect the
radio's ability to pick up stations
clearly. The repairs would not be
covered by the vehicle warranty.
Remote Start : The climate control
system may be started by using the
Remote Keyless Entry (RKE)
transmitter. The climate control
system will default to an appropriate
heating or cooling mode. See
Remote Start 015.
The rear window defogger turns on
if it is cold outside.
Mobile Application Feature
If equipped, this feature allows a
smartphone to set the start-up
climate control settings. The
following features can be set: .
Temperature
. Fan Speed
. Air Delivery Mode
. Climate Mode
. Recirculation
Once the settings are saved through
the application, the vehicle will use
these settings when turned on. After
the vehicle is turned on, use the
climate controls if additional
adjustments are desired.
Sensors
Indicator Light and Solar
Sensor (ILSS)
The ILSS is on top of the instrument
panel, near the windshield, where it
monitors solar intensity.
The climate control system uses the
sensor information to adjust the
temperature, fan speed,
recirculation, and air delivery mode
for best comfort. Do not cover the sensor; otherwise
the automatic climate control system
may not work properly.
Humidity Sensor
The humidity sensor is near the
base of the inside rearview mirror.
The climate control system uses the
sensor information to adjust the
temperature and recirculation for
best comfort.
Outside Air Temperature Sensor
The outside air temperature sensor
is behind the front grille of the
vehicle. The vehicle uses the sensor
information to display outside air
temperature. The climate control
system uses the information to
adjust the climate system operation.

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13556250) - 2020 - CRC - 2/11/20
Climate Controls 167
Air Vents
Adjustable air vents are in the
center and on the side of the
instrument panel.
Move the slats to change the
direction of the airflow. The center
air vent does not close completely.
Move the slats to change the
direction of the airflow.
Additional air vents are located
beneath the windshield and the
driver and passenger side door
windows, and in the footwells.
These are fixed and cannot be
adjusted.Operation Tips
.
Keep all outlets open whenever
possible for best system
performance.
. Clear snow off the hood to
improve visibility and help
decrease moisture drawn into
the vehicle.
. Keep the path under all seats
clear of objects to help circulate
the air inside the vehicle more
effectively.
. Use of non-GM approved hood
deflectors can adversely affect
the performance of the system.
. Do not attach any devices to the
air vent slats. This restricts
airflow and may cause damage
to the air vents.

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13556250) - 2020 - CRC - 2/11/20
168 Climate Controls
Maintenance
Air Intake
The air intake at the base of the
windshield under the hood must be
kept clear to allow the flow of air
into the vehicle. Clear away any ice,
snow, or leaves.
Passenger Compartment
Air Filter
The filter reduces the dust, pollen,
and other airborne irritants from
outside air that is pulled into the
vehicle.Replace the filter as part of routine
scheduled maintenance.
1. Open the glove box.
2. Pull the damper and push the
side wall to unlock the stopper.
3. Lower the glove box completely.
4. Hold the right side of the filtercover, and then pull and
remove it.
5. Install the new air filter.
6. Reinstall the filter cover.
7. Reconnect the glove box damper.
8. Reinstall the glove box.
See your dealer if additional
assistance is needed.

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13556250) - 2020 - CRC - 2/11/20
Climate Controls 169
Air Conditioning Regular
Operation
To ensure continuous efficient
performance, operate the air
conditioning for a few minutes once
a month. The air conditioning will
not operate if the outside
temperature is too low.
Caution
Damage caused by improper
refrigerant usage could lead to
costly repairs and may not be
covered by the vehicle warranty.
Refrigerant systems should only
be serviced by qualified
personnel. Always use the correct
refrigerant.
{Warning
Performing service work to the
climate control system could
cause personal injury or damage
to the vehicle. Climate control
systems are serviced by qualified
personnel only.
Service
All vehicles have a label underhood
that identifies the refrigerant used in
the vehicle. The refrigerant system
should only be serviced by trained
and certified technicians. The air
conditioning evaporator should
never be repaired or replaced by
one from a salvage vehicle.
It should only be replaced by a new
evaporator to ensure proper and
safe operation.During service, all refrigerants
should be reclaimed with proper
equipment. Venting refrigerants
directly to the atmosphere is harmful
to the environment and may also
create unsafe conditions based on
inhalation, combustion, frostbite,
or other health-based concerns.
The air conditioning system requires
periodic maintenance. See
Maintenance Schedule
0301.

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13556250) - 2020 - CRC - 2/11/20
Driving and Operating 171
Driving Information
Driving for Better Energy
Efficiency
Use the following tips to help
maximize energy efficiency and
range.
In colder temperatures, while these
efficiency tips will help, the electric
vehicle driving range will be lower
due to higher energy usage
including energy spent heating the
cabin.
The Range Impacts screen
estimates the influence of the main
factors impacting vehicle range.
After charging is complete, this
information is reset. See“Range
Impacts” underEnergy Information
0 115.
Acceleration/Braking/Coasting
Avoid rapid accelerations and
decelerations.
Electric range is maximized at
89 km/h (55 mph) and less. Use cruise control when
appropriate.
Plan ahead for decelerations and
coast whenever possible. Do not
rush to traffic signals, and do not
shift to N (Neutral) to coast.
The vehicle recovers more energy
while coasting and braking in
L (Low) than in D (Drive) mode.
Using the steering wheel paddle
during deceleration recovers more
energy. See
Regenerative Braking
0 194.
Terrain and Vehicle Speed
Higher speeds and grade changes
use more energy and can
significantly reduce electric range.
Climate Setting
Using the heat and air conditioning
systems decreases the energy
available for electric driving.
Optimal energy efficiency is
achieved when the heat, air
conditioning, and fan are turned off. Use the heated seat feature instead
of climate control system. Heating
the seat uses less energy than
heating the vehicle interior.
Use remote start to heat or cool the
interior when the vehicle is plugged
in to maximize the electric range by
utilizing electricity from the electrical
outlet.
In hot weather, avoid parking in
direct sunlight or use sunshades
inside the vehicle.
Keep the inside of the windows
clean to reduce fogging, and turn off
the front defroster and rear defogger
when they are not needed.
Avoid driving with the windows open
at highway speeds.
Use the Enhanced Battery Gauge
on the Instrument Cluster to view
the effect of climate control settings
on your estimated range. See
Battery Gauge (High Voltage)
098.
Outside Temperature
On colder days, it is best to plug in
the vehicle overnight, and then
remote start the vehicle.

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13556250) - 2020 - CRC - 2/11/20
172 Driving and Operating
Allow the vehicle to warm up for
20 minutes before driving.
If possible, use a level 2 (32 amp)
high power charge station for best
results. This allows the interior of
the vehicle and high voltage battery
to warm to optimal temperature.
Vehicle Charging/Maintenance
Charging
Keep the vehicle plugged in, even
when fully charged, to keep the
battery temperature ready for the
next drive. This is important when
outside temperatures are extremely
hot or cold.
Maintenance
Always keep the tires properly
inflated and the vehicle properly
aligned.
The weight of excess cargo in the
vehicle affects efficiency and range.
Avoid carrying more than is needed.
Avoid unnecessary use of electrical
accessories. Power used for
functions other than propelling the
vehicle will reduce EV range.Using a rooftop carrier will reduce
efficiency due to additional weight
and drag.
Distracted Driving
Distraction comes in many forms
and can take your focus from the
task of driving. Exercise good
judgment and do not let other
activities divert your attention away
from the road. Many local
governments have enacted laws
regarding driver distraction. Become
familiar with the local laws in
your area.
To avoid distracted driving, keep
your eyes on the road, keep your
hands on the steering wheel, and
focus your attention on driving.
.
Do not use a mobile phone in
demanding driving situations.
Use a hands-free method to
place or receive necessary
phone calls.
. Watch the road. Do not read,
take notes, or look up
information on mobile phones or
other electronic devices. .
Designate a front seat
passenger to handle potential
distractions.
. Become familiar with vehicle
features before driving, such as
programming favorite radio
stations and adjusting climate
control and seat settings.
Program all trip information into
any navigation device prior to
driving.
. Wait until the vehicle is parked
to retrieve items that have fallen
to the floor.
. Stop or park the vehicle to tend
to children.
. Keep pets in an appropriate
carrier or restraint.
. Avoid stressful conversations
while driving, whether with a
passenger or on a mobile
phone.

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13556250) - 2020 - CRC - 2/11/20
238 Vehicle Care
1. Windshield Washer FluidReservoir. See Washer Fluid
0 239.
2. Cabin Heating Coolant Reservoir. See Cooling System
0 238.
3. High Voltage Battery Coolant Reservoir. See Cooling System
0 238.
4. HPDM (High Power Distribution Module).
5. APM (Accessory Power Module), OBCM (On-Board
Charging Module).
6. Brake Fluid Reservoir. See Brake Fluid 0241.
7. SPIM, APM, and Charger Module Coolant Reservoir. See
Cooling System 0238.
8. Battery. See Battery - North
America 0242.
9. Underhood Compartment Fuse Block. Underhood
Compartment Fuse Block
0 251.Cooling System
It is not necessary to regularly
check coolant unless a leak is
suspected or an unusual noise is
heard. A coolant loss could indicate
a problem. Have it inspected and
repaired by your dealer.
The following explains the cooling
systems and how to check coolant
levels.
.
High Voltage Battery
. Single Power Inverter Module
(SPIM), Accessory Power
Module (APM), and Charger
Module
. Cabin Heating
High Voltage Battery
During vehicle operation and also
during charging, the high voltage
battery cells in the vehicle are kept
within a normal operating
temperature range. If the
temperature rises above this
temperature, the battery cooling
system turns on the air conditioning
compressor and cools the coolant
until the correct temperature is reached. If the temperature falls
below this temperature, a high
voltage heater, located outside the
battery on a cradle, heats the
coolant until the correct temperature
is reached.
Single Power Inverter Module
(SPIM), Accessory Power
Module (APM), and Charger
Module
The SPIM, APM, and charger
module are cooled using a separate
coolant loop. These modules are
kept below a maximum temperature.
If the temperature rises above this
temperature, the electric cooling fan
will turn on to cool the coolant.
Cabin Heating
Cabin heating is maintained by
coolant heated by the Coolant
Heater Control Module (CHCM),
separate from the power electronics
and battery coolant loops. This
module heats the coolant based on
temperature inputs from the cabin
climate control systems.

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13556250) - 2020 - CRC - 2/11/20
274 Vehicle Care
Treadwear 200 Traction AA
Temperature A
All Passenger Car Tires Must
Conform to Federal Safety
Requirements In Addition To
These Grades.
Treadwear
The treadwear grade is a
comparative rating based on the
wear rate of the tire when tested
under controlled conditions on a
specified government test
course. For example, a tire
graded 150 would wear one and
one-half (1½) times as well on
the government course as a tire
graded 100. The relative
performance of tires depends
upon the actual conditions of
their use, however, and may
depart significantly from the
norm due to variations in driving
habits, service practices and
differences in road
characteristics and climate.Traction
The traction grades, from
highest to lowest, are AA, A, B,
and C. Those grades represent
the tire's ability to stop on wet
pavement as measured under
controlled conditions on
specified government test
surfaces of asphalt and
concrete. A tire marked C may
have poor traction performance.
Warning: The traction grade
assigned to this tire is based on
straight-ahead braking traction
tests, and does not include
acceleration, cornering,
hydroplaning, or peak traction
characteristics.
Temperature
The temperature grades are A
(the highest), B, and C,
representing the tire's resistance
to the generation of heat and its
ability to dissipate heat when
tested under controlled
conditions on a specified indoorlaboratory test wheel. Sustained
high temperature can cause the
material of the tire to degenerate
and reduce tire life, and
excessive temperature can lead
to sudden tire failure. The grade
C corresponds to a level of
performance which all
passenger car tires must meet
under the Federal Motor Safety
Standard No. 109. Grades B and
A represent higher levels of
performance on the laboratory
test wheel than the minimum
required by law. Warning: The
temperature grade for this tire is
established for a tire that is
properly inflated and not
overloaded. Excessive speed,
underinflation, or excessive
loading, either separately or in
combination, can cause heat
buildup and possible tire failure.