2023 CHEVROLET CORVETTE coolant

Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16287457) - 2023 - CRC - 3/10/22
Vehicle Care 257
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.
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 0315.
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.

Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16287457) - 2023 - CRC - 3/10/22
310 Service and Maintenance
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
Fluids and lubricants identified below by name or specification, including fluids or lubricants not listed here, can be obtained from your dealer.Usage Fluid/Lubricant
Chassis Lubrication Chassis lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Dual Clutch Transmission See your dealer. Engine Coolant 40/60 coolant/water mixture of clean, drinkable water and use only DEX-COOL Coolant. See Cooling System0252.
Engine Oil Engine oil meeting the dexosR specification of the proper SAE viscosity grade. Mobil 1 dexosR full synthetic is recommended. See Engine Oil (5.5L LT6 Engine)0242 or
Engine Oil (6.2L LT2 Engine) 0245.
Front Lift System (If Equipped) GM Approved DOT 4 Hydraulic Brake Fluid. See Front Lift System0214.
Hydraulic Brake System GM Approved DOT 4 Hydraulic Brake Fluid. Windshield Washer Automotive windshield washer fluid that meets regional freeze protection requirements.

Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16287457) - 2023 - CRC - 3/10/22
Index 341
Composite Materials . . . . . . . . . . . . . . . . . . . . . 189
Connected ServicesConnections . . . . . . . . . . . . . . . . . . . . . . . . . . . 336
Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 338
Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 336
Connections Connected Services . . . . . . . . . . . . . . . . . . . . 336
Control Hill Rollback . . . . . . . . . . . . . . . . . . . . . . . . . . . 208
Traction and Electronic Stability . . . . . . . 206
Control of a Vehicle . . . . . . . . . . . . . . . . . . . . . 170
Controls
Steering Wheel . . . . . . . . . . . . . . . . . . . . . . . . . 111
Convenience Net . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Convertible Top . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Convex Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Coolant Engine Temperature Gauge . . . . . . . . . . . . . 83
Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Courtesy Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Courtesy Transportation Program . . . . . . . . 324
Coverage Explanations . . . . . . . . . . . . . . . . . . . . 133
Cruise Control . . . . . . . . . . . . . . . . . . . . . . . . . . . 219 Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Cupholders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Curb View Camera . . . . . . . . . . . . . . . . . . . . . . . 224 Customer Assistance
Offices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321
Text Telephone (TTY) Users . . . . . . . . . . . . 321
Customer Information Publications Ordering Information . . . . . 327
Customer Satisfaction Procedure . . . . . . . . . 319
Cybersecurity . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329
D
Damage Repair, Collision . . . . . . . . . . . . . . . . . 325
Danger, Warning, and Caution . . . . . . . . . . . . . .2
Dashboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Data Collection Infotainment System . . . . . . . . . . . . . . . . . . 330
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330
Data Recorder Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Data Recorders, Event . . . . . . . . . . . . . . . . . . . 329
Database Coverage Explanations . . . . . . . . . . 133
Daytime Running Lamps (DRL) . . . . . . . . . . . 103
Defensive Driving . . . . . . . . . . . . . . . . . . . . . . . . 170
Delayed Locking . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Destination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Diagnostics Connected Services . . . . . . . . . . . . . . . . . . . . 338
Differential, Limited-Slip . . . . . . . . . . . . . 218, 219
Disabled Vehicle
Transporting . . . . . . . . . . . . . . . . . . . . . . . . . . . 293 Distracted Driving . . . . . . . . . . . . . . . . . . . . . . . . 169
Diversity Antenna System . . . . . . . . . . . . . . . . 118
Door
Ajar Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Delayed Locking . . . . . . . . . . . . . . . . . . . . . . . . 16
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Drive Belt Routing, Engine . . . . . . . . . . . . . . . .318
Driver
Assistance Systems . . . . . . . . . . . . . . . . . . . . 221
Information Center (DIC) . . . . . . . . . . . . . . . . 92
Mode Control . . . . . . . . . . . . . . . . . . . . . . . . . . 208
Mode Control Light . . . . . . . . . . . . . . . . . . . . . 90
Teen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Driving Better Fuel Economy . . . . . . . . . . . . . . . . . . . 169
Competitive . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
Defensive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Distracted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Hill and Mountain Roads . . . . . . . . . . . . . . 184
If the Vehicle is Stuck . . . . . . . . . . . . . . . . . 185
Impaired . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Loss of Control . . . . . . . . . . . . . . . . . . . . . . . . . 172
Off-Road Recovery . . . . . . . . . . . . . . . . . . . . . . 171
Track Events and Competitive . . . . . . . . . . . 172
Vehicle Load Limits . . . . . . . . . . . . . . . . . . . . 186
Wet Roads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Winter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184

Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16287457) - 2023 - CRC - 3/10/22
342 Index
DualAutomatic Climate Control System . . . . 163
Clutch Transmission . . . . . . . . . . . . . . . . . . . . 195
Clutch Transmission Fluid . . . . . . . . . . . . . . 249
Clutch Transmission Fluid Life
System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Dual Clutch Transmission
Manual Mode . . . . . . . . . . . . . . . . . . . . . . . . . 198
E
ElectricBrake Boost . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
Parking Brake . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Parking Brake Light . . . . . . . . . . . . . . . . . . . . . 88
Electrical Equipment, Add-On . . . . . . . . . . . . . . . . . . . . 230
System Overload . . . . . . . . . . . . . . . . . . . . . . 264
Electrical System Fuses and Circuit Breakers . . . . . . . . . . . . . 266
Instrument Panel Fuse Block . . . . . . . . . . . 266
Rear Compartment Fuse Block . . . . . . . . . 268
Electronic Stability Control (ESC) Off Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Emergency OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 332 Engine
Air Cleaner/Filter . . . . . . . . . . . . . . . . . . . . . . 251
Air Filter Life System . . . . . . . . . . . . . . . . . . 250
Check Light (Malfunction Indicator) . . . . . 86
Compartment Overview . . . . . . . . . . . . . . . . 235
Coolant Temperature Gauge . . . . . . . . . . . . 83
Cooling System . . . . . . . . . . . . . . . . . . . . . . . . 252
Drive Belt Routing . . . . . . . . . . . . . . . . . . . . . 318
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
Oil Life System . . . . . . . . . . . . . . . . . . . . . . . . 248
Oil Pressure Light . . . . . . . . . . . . . . . . . . . . . . . 91
Overheating . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Power Messages . . . . . . . . . . . . . . . . . . . . . . . . 98
Running While Parked . . . . . . . . . . . . . . . . . 195
Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Engine Compartment Lamp . . . . . . . . . . . . . . 106
Entry Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Event Data Recorders . . . . . . . . . . . . . . . . . . . . 329
Exit Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Extended Parking . . . . . . . . . . . . . . . . . . . . . . . . 194
Extender, Seat Belt . . . . . . . . . . . . . . . . . . . . . . . . 51
Exterior
Lamp Controls . . . . . . . . . . . . . . . . . . . . . . . . . 102
Lamps Off Reminder . . . . . . . . . . . . . . . . . . . 102
Lighting Battery Saver . . . . . . . . . . . . . . . . . 107
F
FilterEngine Air Cleaner . . . . . . . . . . . . . . . . . . . . . 251
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Flashers, Hazard Warning . . . . . . . . . . . . . . . . 104
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290
Floor Mats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 304
Fluid Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260
Dual Clutch Transmission . . . . . . . . . . . . . . 249
Dual Clutch Transmission LifeSystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256
Folding Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Frequency Statement
Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 327
Front Air Dam . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Heated and Ventilated Seats . . . . . . . . . . . . 43
Lift System . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
Lift System Light . . . . . . . . . . . . . . . . . . . . . . . 87
Fuel Additives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
Economy, Driving for Better . . . . . . . . . . . 169
Filling a Portable Fuel Container . . . . . . . 229
Filling the Tank . . . . . . . . . . . . . . . . . . . . . . . . 228
Foreign Countries . . . . . . . . . . . . . . . . . . . . . . 228
Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16287457) - 2023 - CRC - 3/10/22
Index 343
Fuel (cont'd)Management, Active . . . . . . . . . . . . . . . . . . . 194
Prohibited Fuels . . . . . . . . . . . . . . . . . . . . . . . 227
Recommended . . . . . . . . . . . . . . . . . . . . . . . . . 227
Top Tier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Fuses Fuses and Circuit Breakers . . . . . . . . . . . . . 266
Instrument Panel Fuse Block . . . . . . . . . . . 266
Rear Compartment Fuse Block . . . . . . . . . 268
G
Garage Door Opener . . . . . . . . . . . . . . . . . . . . . . 99
Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Gas Strut(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263
Gauges Engine Coolant Temperature . . . . . . . . . . . . 83
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Speedometer . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Tachometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Transmission Temperature . . . . . . . . . . . . . . 83
Trip Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Warning Lights and Indicators . . . . . . . . . . 78
General Information Service and Maintenance . . . . . . . . . . . . . . 305
Towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230
Vehicle Care . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
Global Positioning System (GPS) . . . . . . . . . . 132 Glove Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
GM Mobility Reimbursement
Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322
Guidance Problems with the Route . . . . . . . . . . . . . . 132
H
Hatch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Hazard Warning Flashers . . . . . . . . . . . . . . . . 104
HD Radio Technology . . . . . . . . . . . . . . . . . . . . . 116
Head Restraints . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Head-Up Display (HUD) . . . . . . . . . . . . . . . . . . . 95
HeadlampsAiming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264
Automatic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Daytime Running Lamps (DRL) . . . . . . . . . 103
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
High-Beam On Light . . . . . . . . . . . . . . . . . . . . 92
High/Low Beam Changer . . . . . . . . . . . . . . 102
Lamps On Reminder . . . . . . . . . . . . . . . . . . . . 92
Leveling Control . . . . . . . . . . . . . . . . . . . . . . . 104
Heated Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Steering Wheel . . . . . . . . . . . . . . . . . . . . . . . . . 73
Ventilated Front Seats . . . . . . . . . . . . . . . . . . 43
Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
High-Beam On Light . . . . . . . . . . . . . . . . . . . . . . 92
High-Speed Operation . . . . . . . . . . . . . . . . . . . 279 Hill
Rollback Control . . . . . . . . . . . . . . . . . . . . . . . 208
Hill and Mountain Roads . . . . . . . . . . . . . . . . 184
Hill Start Assist (HSA) . . . . . . . . . . . . . . . . . . . . 205
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73
How to Wear Seat Belts Properly . . . . . . . . . 45
HVAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
I
If the System Needs Service . . . . . . . . . . . . . . 133
Ignition Positions . . . . . . . . . . . . . . . . . . . . . . . . 190
Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Indicators Warning Lights and Gauges . . . . . . . . . . . . . 78
Infants and Young Children, Restraints . . . . 62
Information Publication Ordering . . . . . . . . . . . . . . . . . . . 327
Infotainment Using the System . . . . . . . . . . . . . . . . . . . . . . . 112
Infotainment System . . . . . . . . . . . . . . . . . . . . 330
Inspection
Multi-Point Vehicle . . . . . . . . . . . . . . . . . . . . 308
Instrument Cluster . . . . . . . . . . . . . . . . . . . . . . . . 79
Instrument Panel Overview . . . . . . . . . . . . . . . . 4
Interior Rearview Mirrors . . . . . . . . . . . . . . . . . 26
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . 2, 108