2021 CHEVROLET CORVETTE C8 Owners Manual

Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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168 Infotainment System
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Infotainment System 169
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Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14622938) - 2021 - CRC - 9/22/20
170 Climate Controls
Climate Controls
Climate Control Systems
Dual Automatic Climate ControlSystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Air Vents
Air Vents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Maintenance
Passenger Compartment Air Filter . . . . . 173
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
Climate Control Systems
Dual Automatic Climate Control
System
The heating, cooling, and ventilation in the
vehicle can be controlled with this system.
1. Driver Temperature Control
2. Driver and Passenger Heated and Ventilated Seats (If Equipped)
3. SYNC (Synchronized Temperature)

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Climate Controls 171
4. AUTO (Automatic Operation)
5. Air Delivery Mode Controls
6. Fan Control
7.
O(Power)
8. A/C (Air Conditioning)
9. Recirculation
10. Defrost
11. Rear Window Defogger
12. Passenger Temperature Control
Climate Control Display
1. Driver and Passenger Temperature Settings
2. Fan Control
3. Driver and Passenger Temperature Controls
4. Sync (Synchronized Temperature)
5. Recirculation
6. Air Delivery Mode Controls
7. Auto (Automatic Operation)
8. A/C (Air Conditioning)
9. On/Off (Power)
The fan, air delivery mode, air conditioning,
driver and passenger temperatures, and Sync
settings can be controlled by touching
CLIMATE on the infotainment Home Page or
the climate button in the climate control
display application tray. A selection can then
be made on the front climate control page
displayed. See the infotainment manual.Climate Control Status Display
The climate control status display appears
briefly when the center stack climate
controls are adjusted.
Automatic Operation
The system automatically controls the fan
speed, air delivery, air conditioning, and
recirculation in order to heat or cool the
vehicle to the desired temperature:
When AUTO is pressed, all four functions
operate automatically. Each function can
also be manually set and the setting is
displayed. Functions not manually set will
continue to be automatically controlled,
even if the AUTO indicator is not lit.

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172 Climate Controls
For automatic operation:1. Press AUTO.
2. Set the temperature. Allow the system time to stabilize. Adjust the temperature
as needed for best comfort.
Manual Operation
O:Press to turn the fan off or on.
hori:Press to increase or decrease the
fan speed.
Driver and Passenger Temperature
Controls : The temperature can be adjusted
separately for the driver and passenger.
SYNC : Press to link the passenger
temperature setting to the driver setting.
The SYNC indicator light will turn on. When
the passenger setting is adjusted, the SYNC
indicator light will turn off.
Air Delivery Mode Control : Press
Y,
or
[to change the direction of the
airflow. Any combination of the three
controls can be selected. An indicator light
comes on in the selected mode button.
Changing the mode cancels the automatic
operation and the system goes into manual
mode. Press AUTO to return to automatic
operation. To change the current mode, select one or
more of the following:
Y:
Air is directed to the a/c outlets.
[:Air is directed to the floor outlets,
with some air directed to the windshield,
and side window outlets.
z: Air is directed to the windshield and
side window outlets.
0MAX : Air is directed to the windshield
and the fan runs at a higher speed if not
already above a medium fan speed. This
mode overrides the previous mode selected
and clears fog or frost from the windshield
more quickly. When the control is pressed
again, the system returns to the previous
mode setting and fan speed.
For best results, clear all snow and ice from
the windshield before defrosting.
@: Press to turn on recirculation. An
indicator light comes on. Air is recirculated
to quickly cool the inside of the vehicle.
It can also be used to help reduce outside
air and odors that enter the vehicle. Avoid using recirculation for long periods of
time in cold or damp conditions. Using
recirculation in cold or damp conditions can
result in window fogging.
A/C :
Press to turn the air conditioning on
or off. An indicator light comes on to show
that the air conditioning is enabled. If the
fan is turned off, the air conditioner will not
run. The A/C light will stay on even if the
outside temperatures are below freezing.
If the A/C is turned off, the air temperature
coming through the climate control system
may be warmer than the ambient
temperature. It is recommended to use auto
climate control to maintain comfort.
Rear Window Defogger
1REAR : If equipped, 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 rear window defogger only works when
the engine is running. The defogger turns
off if the ignition is turned off or to ACC/
ACCESSORY.
If equipped with heated outside mirrors,
press
1REAR to turn them on or off. See
Heated Mirrors 026.

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Climate Controls 173
Caution
Using a razor blade or sharp object to
clear the inside rear window can damage
the rear window defogger. Repairs would
not be covered by the vehicle warranty.
Do not clear the inside rear window with
sharp objects.
Remote Start Climate Control Operation :
If equipped with remote start, the climate
control system may run when the vehicle is
started remotely. If equipped with heated or
ventilated seats or a heated steering wheel,
these features may come on during a
remote start. See Remote Vehicle Start 012,
Heated and Ventilated Front Seats 044, and
Heated Steering Wheel 074.
Air Vents
Use the tab on the air outlets to change the
direction of the airflow or shut the outlet.
Operation Tips
.Clear away any ice, snow, or leaves from
the air inlets at the base of the
windshield that may block the flow of air
into the vehicle.
.Clear snow off the hood to improve
visibility and help decrease moisture
drawn into the vehicle.
.Use of non-GM approved hood deflectors
may adversely affect the performance of
the system.
.Keep the area around the base of the
instrument panel console and air path
under the seats clear of objects to help
circulate the air inside of the vehicle more
effectively.
Maintenance
Passenger Compartment Air Filter
The passenger compartment air filter
reduces dust, pollen, and other airborne
irritants from outside air that are pulled into
the vehicle. Reductions in airflow, which
may occur more often in dusty areas,
indicate that the filter may need to be
replaced. See Maintenance Schedule 0293.
Caution
Driving without a passenger compartment
air filter in place can cause water and
small particles, like paper and leaves, to
be pulled into your climate control
(Continued)
Caution (Continued)
system which may cause damage to it.
Make sure you always replace the old
filter with a new one.
The passenger compartment air filter is
located under the hood between the battery
and windshield. See Underhood
Compartment Overview 0234.
To check or replace the air filter:
1. Release the four clips for the left and right outer covers.

Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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174 Climate Controls
2. Release the five clips and remove theouter cover.
3. Press two push tabs on the top and onthe bottom of the cabin air filter cover
and remove the cover.
4. Remove the air filter.
5. Install the new air filter and cover.
6. Install the outer cover.
7. Install the right and left outer covers.
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
0 293.

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Driving and Operating 175
Driving and Operating
Driving Information
Driving for Better Fuel Economy . . . . . . . 176
Distracted Driving . . . . . . . . . . . . . . . . . . . . . 176
Defensive Driving . . . . . . . . . . . . . . . . . . . . . . 177
Impaired Driving . . . . . . . . . . . . . . . . . . . . . . . 177
Control of a Vehicle . . . . . . . . . . . . . . . . . . . . 177
Braking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Off-Road Recovery . . . . . . . . . . . . . . . . . . . . . 178
Loss of Control . . . . . . . . . . . . . . . . . . . . . . . . 179
Track Events and Competitive Driving(Z51 Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Driving on Wet Roads . . . . . . . . . . . . . . . . . 185
Hill and Mountain Roads . . . . . . . . . . . . . . 186
Winter Driving . . . . . . . . . . . . . . . . . . . . . . . . 186
If the Vehicle Is Stuck . . . . . . . . . . . . . . . . . 187
Vehicle Load Limits . . . . . . . . . . . . . . . . . . . . 188
Starting and Operating
New Vehicle Break-In . . . . . . . . . . . . . . . . . . 190
Front Air Dam (and Splitter) . . . . . . . . . . . 191
Composite Materials . . . . . . . . . . . . . . . . . . . 191
Ignition Positions . . . . . . . . . . . . . . . . . . . . . . 192
Starting the Engine . . . . . . . . . . . . . . . . . . . . 193
Retained Accessory Power (RAP) . . . . . . . 194
Shifting Into Park . . . . . . . . . . . . . . . . . . . . . . 194
Shifting out of Park . . . . . . . . . . . . . . . . . . . 195
Parking over Things That Burn . . . . . . . . . 195 Active Fuel Management . . . . . . . . . . . . . . 195
Extended Parking . . . . . . . . . . . . . . . . . . . . . . 196
Engine Exhaust
Engine Exhaust . . . . . . . . . . . . . . . . . . . . . . . . 196
Running the Vehicle While Parked . . . . . 196
Dual Clutch Transmission
Dual Clutch Transmission . . . . . . . . . . . . . . 197
Manual Mode . . . . . . . . . . . . . . . . . . . . . . . . . 200
Brakes
Electric Brake Boost . . . . . . . . . . . . . . . . . . . 203
Antilock Brake System (ABS) . . . . . . . . . . 203
Electric Parking Brake . . . . . . . . . . . . . . . . . 204
Brake Assist . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
Hill Start Assist (HSA) . . . . . . . . . . . . . . . . . 205
Ride Control Systems
Traction Control/Electronic Stability
Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
Hill Rollback Control . . . . . . . . . . . . . . . . . . . 207
Driver Mode Control . . . . . . . . . . . . . . . . . . 207
Front Lift System . . . . . . . . . . . . . . . . . . . . . . 213
Competitive Driving Mode . . . . . . . . . . . . . 214
Limited-Slip Differential (without Z51) . . . . . . . . . . . . . . . . . . . . . . . . . 217
Limited-Slip Differential (with Z51) . . . . . 217
Cruise Control
Cruise Control . . . . . . . . . . . . . . . . . . . . . . . . . 218
Driver Assistance Systems
Driver Assistance Systems . . . . . . . . . . . . . 220
Assistance Systems for Parking or Backing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221
Side Blind Zone Alert (SBZA) . . . . . . . . . . . 224
Fuel
Top Tier Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Recommended Fuel . . . . . . . . . . . . . . . . . . . . 225
Prohibited Fuels . . . . . . . . . . . . . . . . . . . . . . . 226
Fuels in Foreign Countries . . . . . . . . . . . . . 226
Fuel Additives . . . . . . . . . . . . . . . . . . . . . . . . . 226
Filling the Tank . . . . . . . . . . . . . . . . . . . . . . . . 226
Filling a Portable Fuel Container . . . . . . . 228
Trailer Towing
General Towing Information . . . . . . . . . . . 228
Conversions and Add-Ons
Add-On Electrical Equipment . . . . . . . . . . . 228