2022 CHEVROLET CORVETTE service

Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15342622) - 2022 - CRC - 5/4/21
Vehicle Care 239
The vehicle is not equipped with a
transmission fluid level dipstick. There is a
special procedure for checking and changing
the transmission fluid. Because this
procedure is difficult, this should be done at
the dealer. Contact the dealer for additional
information or the procedure can be found
in the service manual. To purchase a service
manual, seePublication Ordering
Information 0314.
Caution
Use of the incorrect transmission fluid
may damage the vehicle, and the
damage may not be covered by the
vehicle warranty. Always use the correct
transmission fluid. See Recommended
Fluids and Lubricants 0300.
Change the fluid and filter at the proper
intervals. See Maintenance Schedule 0292.
Be sure to use the correct fluid. See
Recommended Fluids and Lubricants 0300.
Dual Clutch Transmission Fluid Life
System
When to Change the Dual Clutch
Transmission Fluid
This vehicle has a computer that indicates
when to change the transmission fluid. This
is based on a combination of factors which
include temperature and miles driven. Based
on driving conditions, the mileage at which
a fluid change is indicated can vary
considerably. For the fluid life system to
work properly, the system must be reset
every time the fluid is changed. When the
system has calculated that fluid life has
been diminished, it indicates that a fluid
change is necessary. A CHANGE
TRANSMISSION FLUID SOON message comes
on. Change the fluid as soon as possible
within the next 1 000 km (600 mi). Failure
to change transmission fluid at required
intervals could lead to suboptimal
transmission performance. Your dealer has
trained service technicians who will change
the fluid and reset the system. If the system
is ever reset accidentally, the fluid must be
changed at 72 000 km (45,000 mi) since the
last fluid change.
How to Reset the Dual Clutch
Transmission Fluid Life System
Reset the system whenever the transmission
fluid is replaced so that the system can
calculate the next transmission fluid change.
To reset:
1. Place the vehicle in P (Park).
2. Select the Oil & Fluid Life page under the Maintenance DIC menu. See Driver
Information Center (DIC) 092.
3. Press the thumbwheel under the Oil & Fluid Life page to move to the
Reset/Disable display area. Select Reset
Transmission Fluid with the thumbwheel
scroll then press the thumbwheel. Then
press Yes to confirm the reset.
4. When the Transmission Fluid Life System is successfully reset, 100% Transmission
Fluid Life will be displayed.
Engine Air Filter Life System
If equipped, this feature provides the engine
air filter’s remaining life and best timing for
a change. The timing to change an engine
air filter depends on driving and
environmental conditions.

Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Vehicle Care 243
Warning (Continued)
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 mixture of 40% DEX-COOL coolant and
60% clean, drinkable water. If using this
mixture, nothing else needs to be added.
This mixture:
.Gives freezing protection down to −28 °C
(−18 °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. 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.
If ambient temperatures are anticipated
below
−28 °C (−18 °F), make sure a proper
mixture ratio of 50% DEX-COOL coolant and
50% clean, drinkable water is used.
Checking Coolant
Be sure the cooling system is cool and that
the vehicle is on a level surface.
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 is not at or
above the cold fill line, add a mixture of
40% DEX-COOL coolant and 60% clean,
drinkable water at the coolant recovery
tank, but be sure the cooling system is cool
before this is done. See Engine Overheating
0 245. The surge tank is in the engine
compartment. See
Engine Compartment
Overview 0232.
When the engine is cold, the coolant level
should be at the COLD FILL indicator in the
coolant surge tank.
When the engine is hot, the level could be
higher than the COLD FILL indicator. If the
coolant is below the COLD FILL indicator
when the engine is hot, there could be a
leak in the cooling system.
If the coolant is low, add the coolant or take
the vehicle to your dealer for service.

Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Vehicle Care 245
7. Verify coolant level after the engine isshut off and the coolant is cold.
If necessary, repeat coolant fill procedure
Steps 3−7.
If the coolant still is not at the proper
level when the system cools down again,
see your dealer.
Caution
If the pressure cap is not tightly installed,
coolant loss and engine damage may
occur. Be sure the cap is properly and
tightly secured.
Engine Overheating
The vehicle has several indicators to warn of
engine overheating.
There is an engine coolant temperature
gauge on the instrument cluster. See Engine
Coolant Temperature Gauge 084. The
vehicle may also display a message on the
Driver Information Center (DIC).
If the decision is made not to lift the hatch
but to get service help right away, see
Roadside Assistance Program 0310.
If the decision is made to lift the hatch,
make sure the vehicle is parked on a level
surface. Then check to see if the engine cooling fans
are running. There are two cooling fans
located in the front (one at each corner) and
two cooling fans in the rear (one on each
side of the engine). If the engine is
overheating, the fans should be running.
If they are not, do not continue to run the
engine, and have the vehicle serviced.
Caution
Do not run the engine if there is a leak
in the engine cooling system. This can
cause a loss of all coolant and can
damage the system and vehicle. Have
any leaks fixed right away.
If Steam Is Coming from the Engine
{Warning
Steam and scalding liquids from a hot
cooling system are under pressure.
Turning the pressure 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.
If Steam Is Coming from the Engine
Compartment with no Overheat Warning
Water from rain and car washes could enter
the engine compartment and contact hot
surfaces. If steam is coming from the engine
compartment with no accompanying
overheat warning, no service is needed.
If No Steam Is Coming from the Engine
If an engine overheat warning is displayed
but no steam can be seen or heard, the
problem may not be too serious. Sometimes
the engine can get a little too hot when the
vehicle:
.Climbs a long hill on a hot day.
.Stops after high-speed driving.
.Idles for long periods in traffic.
If the overheat warning is displayed with no
sign of steam: 1. Turn the air conditioning off.
2. Turn the heater on to the highest temperature and to the highest fan
speed. Open the windows as necessary.
3. When it is safe to do so, pull off the road, shift to P (Park) or N (Neutral), and
let the engine idle.

Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15342622) - 2022 - CRC - 5/4/21
246 Vehicle Care
If the engine coolant temperature gauge is
no longer in the shaded area or an overheat
warning no longer displays, the vehicle can
be driven. Continue to drive the vehicle
slowly for about 10 minutes. Keep a safe
vehicle distance from the vehicle in front.
If the warning does not come back on,
continue to drive normally and have the
cooling system checked for proper fill and
function.
If the warning continues, pull over safely,
and park the vehicle right away.
If there is no sign of steam, idle the engine
for three minutes while parked. If the
warning is still displayed, turn off the
engine until it cools down.
Washer Fluid
What to Use
When the vehicle needs windshield washer
fluid, be sure to read the manufacturer
instructions before use. If the vehicle will be
operating in an area where the temperature
may fall below freezing, use a fluid that has
sufficient protection against freezing.
Adding Washer Fluid
1. Open the hood. SeeHood017.
2. Open the cap with the washer symbol
on it. Add washer fluid until the tank
is full.
Caution
.Do not use washer fluid that contains
any type of water repellent coating.
This can cause the wiper blades to
chatter or skip.
.Do not use engine coolant (antifreeze)
in the windshield washer. It can
damage the windshield washer system
and paint.
.Do not mix water with ready-to-use
washer fluid. Water can cause the
solution to freeze and damage the
washer fluid tank and other parts of
the washer system.
(Continued)
Caution (Continued)
.When using concentrated washer fluid,
follow the manufacturer instructions
for adding water.
.Fill the washer fluid tank only
three-quarters full when it is very cold.
This allows for fluid expansion if
freezing occurs, which could damage
the tank if it is completely full.
Brakes
Disc brake linings have built-in wear
indicators that make a high-pitched warning
sound when the brake linings are worn and
new linings are needed. The sound can come
and go or can be heard all the time when
the vehicle is moving, except when applying
the brake pedal firmly.
{Warning
The brake wear warning sound means
that soon the brakes will not work well.
That could lead to a crash. When the
brake wear warning sound is heard, have
the vehicle serviced.

Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15342622) - 2022 - CRC - 5/4/21
Vehicle Care 247
Caution
Continuing to drive with worn-out brake
linings could result in costly brake
repairs.
Properly torqued wheel nuts are necessary
to help prevent brake pulsation. When tires
are rotated, inspect brake linings for wear
and evenly tighten wheel nuts in the proper
sequence to torque specifications. See
Capacities and Specifications 0304.
Brake linings should be replaced as complete
axle sets.
Brake Squeal and Brake Dust
Some driving conditions or climates can
cause a brake squeal when the brakes are
first applied, clearing up following several
applies. This does not mean something is
wrong with the brakes.
Vehicles equipped with high performance
brake systems provide superior fade
resistance but will produce increased brake
squeal and brake dust on the wheels and
calipers as compared to standard brake
linings. This is normal. To help reduce squeal, the brake pads are
treated with an anti-squeal paste that may
need to be reapplied periodically as part of
normal vehicle maintenance. The anti-squeal
paste will dissipate over time. Also, the use
of wheel cleaners or power washers directly
on the brake calipers may remove the
anti-squeal paste from the brake pads.
It may be necessary to reapply the
anti-squeal paste if it is removed during
cleaning.
If brake squeal is excessive, the anti-squeal
paste should be reapplied. The anti-squeal
paste should always be reapplied whenever
the brake pads are removed or replaced. See
your dealer for service.Brake Pedal Travel
See your dealer if the brake pedal does not
return to normal height, or if there is a
rapid increase in pedal travel. This could be
a sign that brake service may be required.
Replacing Brake System Parts
Always replace brake system parts with
new, approved replacement parts. If this is
not done, the brakes may not work
properly. The braking performance canchange in many ways if the wrong brake
parts are installed or if parts are improperly
installed.
The Brake Fade Warning Assist system is
designed for use with the factory-installed
brake pads or GM-approved replacement
pads. If the brake pads on the vehicle need
to be replaced, use GM-approved brake pads.
If this is not done, the brake fade warning
system may not function properly.
High Performance Brake Lining Car Wash
and Extended Parking Care
If equipped with high performance brake
components, binding, clunking or pulsation
may be noticeable when first moving the
vehicle after parking in cold weather when
the brakes have been wet, such as when
driving in the rain or after a car wash. The
release clunking is normal for brakes with
high performance brake linings and does not
affect the operation of the brakes. When
driving, normal braking should allow for the
brakes to clean up and or any pulsation to
go away. Apply the brakes several times
until the binding or clunking stops. If the
vehicle is washed before long term storage,
drive it and apply the brakes several times
to thoroughly dry the brakes before storing.

Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15342622) - 2022 - CRC - 5/4/21
250 Vehicle Care
Some vehicles have a battery maintainer
package. Follow the instructions provided
with the battery maintainer package to keep
the battery charged when the vehicle is not
in use. Plug the battery maintainer into the
underhood accessory power outlet only.
For vehicles without a battery maintainer,
see the following information:
Infrequent Usage: Remove the black,
negative (−) cable from the battery to keep
the battery from running down.
See“Window Indexing” underPower
Windows 028. Extended Storage: It is recommended that
the battery maintainer package be used.
However, if not, remove the black,
negative (−) cable from the battery. All
vehicle memory settings will need to be
reset when battery power is restored.
Park Brake and P (Park)
Mechanism Check
{Warning
When you are doing this check, the
vehicle could begin to move. You or
others could be injured and property
could be damaged. Make sure there is
room in front of the vehicle in case it
begins to roll. Be ready to apply the
regular brake at once should the vehicle
begin to move.
Park on a fairly steep hill, with the vehicle
facing downhill. Keeping your foot on the
regular brake, set the parking brake.
.To check the parking brake's holding
ability: With the engine running and the
transmission in N (Neutral), slowly remove
foot pressure from the regular brake
pedal. Do this until the vehicle is held by
the parking brake only.
.To check the P (Park) mechanism's holding
ability: With the engine running, shift to
P (Park). Then release the parking brake
followed by the regular brake.
Contact your dealer if service is required.
Wiper Blade Replacement
Windshield wiper blades should be inspected
for wear and cracking.
Replacement blades come in different types
and are removed in different ways. For
proper type and length, see Maintenance
Replacement Parts 0300.
To replace the windshield wiper blade: 1. Pull the windshield wiper assembly away from the windshield.

Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15342622) - 2022 - CRC - 5/4/21
Vehicle Care 251
2. Lift up on the latch in the middle of thewiper blade where the wiper arm
attaches.
3. With the latch open, pull the wiper blade down toward the windshield far enough
to release it from the J-hooked end of
the wiper arm.
4. Remove the wiper blade. Allowing the wiper blade arm to touch
the windshield when no wiper blade is
installed could damage the windshield.
Any damage that occurs would not be
covered by the vehicle warranty. Do not
allow the wiper blade arm to touch the
windshield. 5. Reverse Steps 1–3 for wiper blade
replacement.
Windshield Replacement
HUD System
The windshield is part of the HUD system.
If the windshield needs to be replaced, be
sure to get one that is designed for HUD or
the HUD image may look out of focus.
Driver Assistance Systems
If the windshield needs to be replaced and
the vehicle is equipped with a front camera
sensor for the Driver Assistance Systems, a
GM replacement windshield is
recommended. The replacement windshield
must be installed according to GM
specifications for proper alignment. If it is
not, these systems may not work properly,
they may display messages, or they may
not work at all. See your dealer for proper
windshield replacement.
Acoustic Windshield
The vehicle is equipped with an acoustic
windshield. If the windshield needs to be
replaced be sure to get an acoustic
windshield so you will continue to have the
benefits an acoustic windshield can provide.
Gas Strut(s)
This vehicle is equipped with gas strut(s) to
provide assistance in lifting and holding
open the hood/trunk/liftgate system in full
open position.
{Warning
If the gas struts that hold open the hood,
trunk, and/or liftgate fail, you or others
could be seriously injured. Take the
vehicle to your dealer for service
immediately. Visually inspect the gas
struts for signs of wear, cracks, or other
damage periodically. Check to make sure
the hood/trunk/liftgate is held open with
enough force. If struts are failing to hold
the hood/trunk/liftgate, do not operate.
Have the vehicle serviced.
Caution
Do not apply tape or hang any objects
from gas struts. Also do not push down
or pull on gas struts. This may cause
damage to the vehicle.
See Maintenance Schedule 0292.

Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15342622) - 2022 - CRC - 5/4/21
Vehicle Care 259
FusesUsage
54 Auxiliary Cooling Fan Left
55 Automatic Leveling Control
56 –
57 Rear Window Defogger
58 –
59 Left/rRght Window
60 Passenger Power Seat 61 Driver Power Seat
Relays Usage
1 –
2 Powertrain Relay
3 Run/Crank Relay
4 Rear Defogger Relay 5 Air Conditioning Clutch Relay
6 –
7 –
8 – Relays
Usage
9 –
10 –
11 –
12 –
13 –
14 Starter Solenoid Relay 15 –
Wheels and Tires
Tires
Every new GM vehicle has high-quality
tires made by a leading tire
manufacturer. See the warranty manual
for information regarding the tire
warranty and where to get service. For
additional information refer to the tire
manufacturer.
{Warning
.Poorly maintained and improperly
used tires are dangerous.
(Continued)
Warning (Continued)
.Overloading the tires can cause
overheating as a result of too
much flexing. There could be a
blowout and a serious crash. See
Vehicle Load Limits 0186.
.Underinflated tires pose the same
danger as overloaded tires. The
resulting crash could cause serious
injury. Check all tires frequently to
maintain the recommended
pressure. Tire pressure should be
checked when the tires are cold.
.Overinflated tires are more likely
to be cut, punctured, or broken by
a sudden impact —such as when
hitting a pothole. Keep tires at the
recommended pressure.
.Worn or old tires can cause a
crash. If the tread is badly worn,
replace them.
.Replace any tires that have been
damaged by impacts with
potholes, curbs, etc.
(Continued)