brakes CHEVROLET CORVETTE 2023 Owners Manual

Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16287457) - 2023 - CRC - 3/10/22
88 Instruments and Controls
{Warning
The brake system might not be working
properly if the brake system warning
light is on. Driving with the brake system
warning light on can lead to a crash.
If the light is still on after the vehicle has
been pulled off the road and carefully
stopped, have the vehicle towed for
service.
Electric Parking Brake Light
MetricEnglish
This light comes on when the parking brake
is applied. If the light continues flashing
after the parking brake is released, or while
driving, there is a problem with the Electric
Parking Brake system. A message may also
display in the Driver Information
Center (DIC).
If the light does not come on, or remains
flashing, see your dealer.
Service Electric Parking Brake
Light
This light should come on briefly when the
vehicle is turned on. If it does not come on,
have it fixed so it will be ready to warn if
there is a problem.
If this light stays on or comes on while
driving, there is a problem with the Electric
Parking Brake (EPB). Take the vehicle to a
dealer as soon as possible. In addition to the
parking brake, other safety functions that
utilize the EPB may also be degraded.
A message may also display in the Driver
Information Center (DIC). See Electric Parking
Brake 0204.
Antilock Brake System (ABS)
Warning Light
This light comes on briefly when the vehicle
is turned on to show that the light is
working. If it does not come on then, have
it fixed so it will be ready to warn you if
there is a problem.
If the ABS warning light stays on, or comes
on again while driving, the vehicle needs
service. A chime may also sound when the
light stays on.
If the ABS warning light is the only light on,
the vehicle has regular brakes, but ABS is
not functioning.
If both the ABS warning light and the brake
system warning light are on, ABS is not
functioning and there is a problem with the
regular brakes. See your dealer for service.
See Brake System Warning Light 087.

Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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98 Instruments and Controls
English
Vehicle Alerts : Alerts can be dismissed in
the instrument cluster. All alerts are not
displayed in the HUD.
Care of the HUD
Clean the inside of the windshield to remove
any dirt or film that could reduce the
sharpness or clarity of the HUD image.
Clean the HUD lens with a soft cloth
sprayed with glass cleaner. Wipe the lens
gently, then dry it.
HUD Troubleshooting
Check that:
.Nothing is covering the HUD lens.
.HUD brightness setting is not too dim or
too bright.
.HUD is adjusted to the proper height.
.Polarized sunglasses are not worn.
.Windshield and HUD lens are clean. If the HUD image is not correct, contact
your dealer.
The windshield is part of the HUD system.
See
Windshield Replacement 0263.
Vehicle Messages
Messages displayed on the DIC indicate the
status of the vehicle or some action that
may be needed to correct a condition.
Multiple messages may appear one after
another.
The messages that do not require
immediate action can be acknowledged and
cleared by pressing
V. The messages that
require immediate action cannot be cleared
until that action is performed.
All messages should be taken seriously;
clearing the message does not correct the
problem.
If a SERVICE message appears, see your
dealer.
Follow the instructions given in the
messages. The system displays messages
regarding the following topics:
.Service Messages
.Fluid Levels
.Vehicle Security
.Brakes
.Steering
.Ride Control Systems
.Driver Assistance Systems
.Cruise Control
.Front Lift System
.Lighting and Bulb Replacement
.Wiper/Washer Systems
.Doors and Windows
.Seat Belts
.Airbag Systems
.Engine and Transmission
.Tire Pressure
.Battery
Engine Power Messages
REDUCED ACCELERATION DRIVE
WITH CARE
This message displays when the vehicle's
propulsion power is reduced. A reduction in
propulsion power can affect the vehicle's
ability to accelerate. If this message is on,
but there is no observed reduction in
performance, proceed to your destination.
Under certain conditions the performance
may be reduced the next time the vehicle is

Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Instruments and Controls 99
driven. The vehicle may be driven while this
message is on, but maximum acceleration
and speed may be reduced. Anytime this
message stays on, or displays repeatedly,
the vehicle should be taken to your dealer
for service as soon as possible.
Under certain operating conditions,
propulsion will be disabled. Try restarting
after the ignition has been off for
two minutes.
Vehicle Speed Messages
SPEED LIMITED TO XXX KM/H (MPH)
This message shows that the vehicle speed
has been limited to the speed displayed. The
limited speed is a protection for various
propulsion and vehicle systems, such as
lubrication, thermal, brakes, suspension,
Teen Driver if equipped, or tires.
Universal Remote System
SeeRadio Frequency Statement 0327.
The FCC Grant of Equipment Authorization
Certificate number is NZLSAHL5B.
The Canadian Registration ID number is
4112A-SAHL5B.
Universal Remote System
Programming
If equipped, these buttons are in the
sunshade.
This system can replace up to three remote
control transmitters used to activate devices
such as garage door openers, security
systems, and home automation devices.
These instructions refer to a garage door
opener, but can be used for other devices.
Do not use the Universal Remote system
with any garage door opener that does not
have the stop and reverse feature. This
includes any garage door opener model
manufactured before April 1, 1982. Keep the original hand-held transmitter for
use in other vehicles as well as for future
programming. Erase the programming when
vehicle ownership is terminated. See
“Erasing Universal Remote System Buttons”
later in this section.
To program a garage door opener, park
outside directly in line with and facing the
garage door opener receiver. Clear all people
and objects near the garage door.
Make sure the hand-held transmitter has a
new battery for quick and accurate
transmission of the radio-frequency signal.
Programming the Universal Remote
System
Programming involves time-sensitive actions
and may time out, requiring the procedure
to be repeated. Read these instructions
completely before programming the
Universal Remote system. It may help to
have another person assist with the
programming process.
1. Hold the end of the hand-held transmitter about 3 to 8 cm (1 to 3 in)
away from the Universal Remote system
buttons with the indicator light in view.

Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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156 Infotainment System
.Overspeed Warnings–the number of
times the speed warning setting was
exceeded.
.Wide Open Throttle –the number of
times the accelerator pedal was pressed
nearly all the way down.
.Forward Collision Alerts (if equipped) –
the number of times the driver was
notified when approaching a vehicle
ahead too quickly and at potential risk for
a crash.
.Forward Automatic Braking, also called
Automatic Emergency Braking (if
equipped) –the number of times the
vehicle detected that a forward collision
was imminent and applied the brakes.
.Reverse Automatic Braking (if equipped) –
the number of times the vehicle detected
that a rearward collision was imminent
and applied the brakes.
.Traction Control –the number of times
the Traction Control System activated to
reduce wheel spin or loss of traction.
.Stability Control –the number of events
which required the use of electronic
stability control.
.Antilock Braking System Active –The
number of Antilock Brake System
activations.
.Tailgating Alerts (if equipped) –the
number of times the driver was alerted
for following a vehicle ahead too closely.
Report Card Data
Cumulative Data is saved for all trips until
the Report Card is reset or until the
maximum count is exceeded. If the
maximum count is exceeded for a Report
Card line item, that item will no longer be
updated in the Report Card until it is reset.
Each item will report a maximum of
1,000 counts. The distance driven will report
a maximum of 64 374 km (40,000 mi).
To delete Report Card data, do one of the
following:
.From the Report Card display, touch
Reset.
.Touch Clear PIN and All Teen Driver Keys
from the Teen Driver menu. This will also
unregister any Teen Driver keys and
delete the PIN.
Forgotten PIN
See your dealer to reset the PIN.
Trademarks and License
Agreements
FCC Information
See Radio Frequency Statement 0327.
"Made for iPhone," means that an electronic
accessory has been designed to connect
specifically to iPhone, and has been certified
by the developer to meet Apple
performance standards. Apple is not
responsible for the operation of this device
or its compliance with safety and regulatory
standards. Please note that the use of this
accessory with iPhone may affect wireless
performance. iPhone are trademarks of
Apple Inc., registered in the U.S. and other
countries.

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168 Driving and Operating
Driving and Operating
Driving Information
Driving for Better Fuel Economy . . . . . . 169
Distracted Driving . . . . . . . . . . . . . . . . . . . . . 169
Defensive Driving . . . . . . . . . . . . . . . . . . . . . . 170
Impaired Driving . . . . . . . . . . . . . . . . . . . . . . . 170
Control of a Vehicle . . . . . . . . . . . . . . . . . . . 170
Braking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Off-Road Recovery . . . . . . . . . . . . . . . . . . . . . . 171
Loss of Control . . . . . . . . . . . . . . . . . . . . . . . . . 172
Track Events and CompetitiveDriving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
Driving on Wet Roads . . . . . . . . . . . . . . . . . 183
Hill and Mountain Roads . . . . . . . . . . . . . . 184
Winter Driving . . . . . . . . . . . . . . . . . . . . . . . . 184
If the Vehicle Is Stuck . . . . . . . . . . . . . . . . . 185
Vehicle Load Limits . . . . . . . . . . . . . . . . . . . . 186
Starting and Operating
New Vehicle Break-In . . . . . . . . . . . . . . . . . . 189
Front Air Dam (and Splitter) . . . . . . . . . . . 189
Composite Materials . . . . . . . . . . . . . . . . . . . 189
Ignition Positions . . . . . . . . . . . . . . . . . . . . . . 190
Starting the Engine . . . . . . . . . . . . . . . . . . . . 191
Retained Accessory Power (RAP) . . . . . . . 192
Shifting Into Park . . . . . . . . . . . . . . . . . . . . . . 193
Shifting out of Park . . . . . . . . . . . . . . . . . . . 193
Parking over Things That Burn . . . . . . . . 194 Active Fuel Management . . . . . . . . . . . . . . 194
Extended Parking . . . . . . . . . . . . . . . . . . . . . . 194
Engine Exhaust
Engine Exhaust . . . . . . . . . . . . . . . . . . . . . . . . 194
Running the Vehicle While Parked . . . . . 195
Dual Clutch Transmission
Dual Clutch Transmission . . . . . . . . . . . . . . 195
Manual Mode . . . . . . . . . . . . . . . . . . . . . . . . . 198
Brakes
Electric Brake Boost . . . . . . . . . . . . . . . . . . . 203
Antilock Brake System (ABS) . . . . . . . . . . 204
Electric Parking Brake . . . . . . . . . . . . . . . . . 204
Brake Assist . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
Hill Start Assist (HSA) . . . . . . . . . . . . . . . . . 205
Ride Control Systems
Traction Control/Electronic Stability
Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
Hill Rollback Control . . . . . . . . . . . . . . . . . . . 208
Driver Mode Control . . . . . . . . . . . . . . . . . . 208
Front Lift System . . . . . . . . . . . . . . . . . . . . . . 214
Competitive Driving Mode . . . . . . . . . . . . . 215
Limited-Slip Differential (Stingray Models Without Z51 Performance
Package) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218
Limited-Slip Differential (Stingray With Z51 Performance Package and
Z06 model) . . . . . . . . . . . . . . . . . . . . . . . . . . 219
Cruise Control
Cruise Control . . . . . . . . . . . . . . . . . . . . . . . . . 219
Driver Assistance Systems
Driver Assistance Systems . . . . . . . . . . . . . 221
Assistance Systems for Parking orBacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Rear Vision Camera (RVC) . . . . . . . . . . . . . . 223
Curb View Camera . . . . . . . . . . . . . . . . . . . . 224
Park Assist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Rear Cross Traffic Alert (RCTA) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Side Blind Zone Alert (SBZA) . . . . . . . . . . . 225
Fuel
Top Tier Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Recommended Fuel . . . . . . . . . . . . . . . . . . . . 227
Prohibited Fuels . . . . . . . . . . . . . . . . . . . . . . . 227
Fuels in Foreign Countries . . . . . . . . . . . . . 228
Fuel Additives . . . . . . . . . . . . . . . . . . . . . . . . . 228
Filling the Tank . . . . . . . . . . . . . . . . . . . . . . . . 228
Filling a Portable Fuel Container . . . . . . . 229
Trailer Towing
General Towing Information . . . . . . . . . . . 230
Conversions and Add-Ons
Add-On Electrical Equipment . . . . . . . . . . 230

Chevrolet Corvette Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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170 Driving and Operating
Refer to the infotainment section for more
information on using that system and the
navigation system, if equipped, including
pairing and using a cell phone.
Defensive Driving
Defensive driving means“always expect the
unexpected.” The first step in driving
defensively is to wear the seat belt. See
Seat Belts 044.
.Assume that other road users
(pedestrians, bicyclists, and other drivers)
are going to be careless and make
mistakes. Anticipate what they may do
and be ready.
.Allow enough following distance between
you and the driver in front of you.
.Focus on the task of driving.
Impaired Driving
Death and injury associated with impaired
driving is a global tragedy.
{Warning
Drinking alcohol or taking drugs and then
driving is very dangerous. Your reflexes,
perceptions, attentiveness, and judgment
can be affected by even a small amount
of alcohol or drugs. You can have a
serious —or even fatal —collision if you
drive after drinking or taking drugs.
Do not drive while under the influence of
alcohol or drugs, or ride with a driver
who has been drinking or is impaired by
drugs. Find alternate transportation
home; or if you are with a group,
designate a driver who will remain sober.
Control of a Vehicle
Braking, steering, and accelerating are
important factors in helping to control a
vehicle while driving.
Braking
Braking action involves perception time and
reaction time. Deciding to push the brake
pedal is perception time. Actually doing it is
reaction time. Average driver reaction time is about
three-quarters of a second. In that time, a
vehicle moving at 100 km/h (60 mph) travels
20 m (66 ft), which could be a lot of
distance in an emergency.
Helpful braking tips to keep in mind include:
.Keep enough distance between you and
the vehicle in front of you.
.Avoid needless heavy braking.
.Keep pace with traffic.
If the engine ever stops or a brake fault
occurs, the brakes may lose power assist.
More effort will be required to stop the
vehicle. It may take longer to stop.
Steering
Caution
To avoid damage to the steering system,
do not drive over curbs, parking barriers,
or similar objects at speeds greater than
3 km/h (1 mph). Use care when driving
over other objects such as lane dividers
and speed bumps. Damage caused by
misuse of the vehicle is not covered by
the vehicle warranty.

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172 Driving and Operating
1. Ease off the accelerator and then,if there is nothing in the way, steer the
vehicle so that it straddles the edge of
the pavement.
2. Turn the steering wheel about one-eighth of a turn, until the right front
tire contacts the pavement edge.
3. Turn the steering wheel to go straight down the roadway.
Loss of Control
Skidding
There are three types of skids that
correspond to the vehicle's three control
systems:
.Braking Skid —wheels are not rolling.
.Steering or Cornering Skid —too much
speed or steering in a curve causes tires
to slip and lose cornering force.
.Acceleration Skid —too much throttle
causes the driving wheels to spin.
Defensive drivers avoid most skids by taking
reasonable care suited to existing conditions,
and by not overdriving those conditions. But
skids are always possible. If the vehicle starts to slide, follow these
suggestions:
.Ease your foot off the accelerator pedal
and steer the way you want the vehicle
to go. The vehicle may straighten out. Be
ready for a second skid if it occurs.
.Slow down and adjust your driving
according to weather conditions. Stopping
distance can be longer and vehicle control
can be affected when traction is reduced
by water, snow, ice, gravel, or other
material on the road. Learn to recognize
warning clues
—such as enough water,
ice, or packed snow on the road to make
a mirrored surface —and slow down
when you have any doubt.
.Try to avoid sudden steering, acceleration,
or braking, including reducing vehicle
speed by shifting to a lower gear. Any
sudden changes could cause the tires to
slide.
Remember: Antilock brakes help avoid only
the braking skid.
Track Events and Competitive
Driving
All Z06 models or Stingray models equipped
with Z51 performance package can be used
for track events and competitive driving. For
additional details on vehicle track
preparation, see Chevrolet.com > Corvette
Experience > Guides > Track Prep Guide.
{Danger
High-performance features are intended
for use only on closed tracks by
experienced and qualified drivers and
should not be used on public roads.
High-speed driving, aggressive cornering,
hard braking, and other high-performance
driving can be dangerous. Improper driver
inputs for the conditions may result in
loss of control of the vehicle, which could
injure or kill you or others. Always drive
safely.
Participating in track events or other
competitive driving without following the
instructions provided may affect the vehicle
warranty. See the warranty manual before

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174 Driving and Operating
Engine Cooling
If reduced performance is experienced during
track events or competitive driving, turning
off the A/C will help to improve engine
performance.
Maintain a mixture of 40% DEX-COOL
coolant and 60% clean, drinkable water to
optimize engine performance.
Fuel
Unleaded gasoline, rated at 93 octane or
higher, is required.
Caution
Some high octane fuels contain additives
and compounds that may damage the
vehicle and void the vehicle warranty. See
Prohibited Fuels0227.
Dual Clutch Transmission (DCT) Fluid
The transmission fluid and external canister
filter should be changed after every 24 hours
of track use. Change the fluid and external
canister filter as soon as possible if
prompted by the transmission fluid life
monitor that remaining fluid life is low. Stingray
Add an additional 2 L (2 qt) of DCT
transmission fluid before track use. It is not
required to remove the additional 2 L (2 qt)
of DCT fluid after the track event.
Any transmission level set or change should
be performed at your dealer.
Z06
Additional transmission fluid is not required
for the Z06. The Z06 comes track ready
from the factory.
Brakes
Battery Disconnect
Disconnect the battery before servicing the
hydraulic brake system. It is critical to
disconnect the battery before bleeding the
system, replacing the pads, or any other
work. The battery must be disconnected to
prevent the brake master cylinder from
pressurizing the hydraulic system during its
automated self diagnostic tests that can
occur when a door is opened or the remote
key is present.
{Warning
To avoid personal injury and/or vehicle
damage, always disconnect the battery
before performing service work on the
hydraulic brake system. Bleeding the
brake system with the battery connected
can lead to the system diagnosing a leak
or air in the braking system. A Diagnostic
Trouble Code (DTC) may set and vehicle
speed may be limited.
Brake Fluid
Replace existing brake fluid with a qualified
high performance DOT 4 brake fluid from a
sealed container. Brake fluid with a dry
boiling point >310 °C (590 °F) is qualified.
If high performance brake fluid is used,
replace it with GM approved brake fluid
before driving on public roads. If high
performance brake fluid is in the vehicle and
the age of the brake fluid is over a month
old or unknown, replace the brake fluid
before track events and competitive driving.
Do not use silicone or DOT-5 brake fluids.
Check the fluid level before each competitive
driving event.

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Driving and Operating 175
Brake System Flushing and Bleeding
The J55, J56, and J57 brake systems require
specific processes for bleeding and fluid
flushing. These can be found in the service
manual.
Properly bleeding the brake system is
required for proper operation of the
hydraulic brake system.
Brake Leak Detection
The hydraulic braking system has advanced
diagnostic capability to help detect hydraulic
leaks, trapped air, and other performance
issues. These diagnostics are active when
the hydraulic system is powered. To avoid
inadvertently setting a leak DTC, disconnect
the battery before servicing the brake
system.
If the vehicle sets a DTC related to a brake
system leak, the Brake System Warning
Light will come on and vehicle speed may
be limited to 100 kph (62 mph). Any time a
leak DTC is set, the vehicle should be
inspected carefully for evidence of a leak
and should be repaired immediately. See
your dealer.Brake Fade Warning Assist
The Brake Fade Warning Assist system
monitors brake system performance. If the
system detects brake fade, or if the brake
fluid is near the boiling point, the driver will
be alerted.
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.
Stage 1 :
The Driver Information Center (DIC)
displays a “Reduce Braking to Avoid
Overheating” message, a chime sounds and
brake pedal effort and travel is increased.
When the message displays, the driver
should back up braking points and reduce
brake usage in order to reduce brake
temperature. This will allow for continued
lapping with no speed limitations. Stage 2 :
The Driver Information Center
(DIC) displays a “Brakes Overheated Service
Now” message, a chime sounds, and brake
pedal effort and travel is further increased.
This code indicates that the brake fluid
temperature is excessive and is about to
boil. The system limits vehicle speed to
100KPH/62MPH. The driver should
immediately start a cool down lap if on the
track. If this message displays, the vehicle
needs to be serviced. The brake system
needs to cool down, and the brake fluid
must be immediately flushed with DOT4 for
street use, or to a qualified DOT4 race fluid
for track use. Boiled brake fluid is
compromised and must be replaced.
Brake Burnishing
Caution
Performing the brake burnish procedure
on a base brake system can result in
brake damage.

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176 Driving and Operating
Caution
The new vehicle break-in period should be
completed before performing the brake
burnish procedure, otherwise damage
may occur to the powertrain/engine. See
New Vehicle Break-In0189.
Caution
Brake pedal fade will occur during any
track burnish procedure and can cause
brake pedal travel and force to increase.
This could extend stopping distance until
the brakes are fully burnished.
New brake pads must be burnished before
racing or other competitive driving.
When this procedure is performed as
instructed, it will not damage the brakes.
The brake pads will smoke and produce an
odor. The braking force and pedal travel
may increase. After the procedure, the brake
pads may appear white at the rotor contact.
Perform this procedure only on dry
pavement, in a safe manner, and in
compliance with all local and state
ordinances/laws regarding motor vehicle
operation. Brake Burnishing Procedure for J55 (Stingray
with Z51) and J56 (Z06 Standard) Brakes
This brake burnish procedure should only be
performed on vehicles with the Z06 with
J56, or Z51 with J55 factory equipped brake
systems.
1. Using the friction bubble in the Cluster Performance menu, apply the brakes 25
times starting at 100 km/h (60 mph) to
50 km/h (30 mph) while decelerating at
0.4 g. See Instrument Cluster 079. This
is a medium brake application. Drive for
at least 1 km (0.6 mi) between applying
the brakes. This first step may be
skipped if there are more than 320 km
(200 mi) on the brake pads.
2. Apply the brakes 25 times starting at 100 km/h (60 mph) to 25 km/h (15 mph)
while decelerating at 0.8 g. This is a hard
brake application without activating the
Antilock Brake System (ABS). Drive for at
least 1 km (0.6 mi) between applications.
Depending on conditions, some increase
in brake pedal travel and brake pedal
force may be experienced.
3. Cool down: Drive at 100 km/h (60 mph) for approximately 15 km (10 mi) without
using the brakes. 4. Apply the brakes 25 times from
100 km/h (60 mph) to 50 km/h (30 mph)
while decelerating at 0.4 g. This is a
medium brake application. Drive for at
least 1 km (0.6 mi) between applications.
As with all high performance brake systems,
some amount of brake squeal is normal.
Brake Burnishing Procedure for Z06 with
Available J57 Carbon Ceramic Brakes
This brake burnish procedure should only be
run on Z06 vehicles with J57 factory
equipped brake systems.
Perform this procedure only on dry
pavement, in a safe manner, and in
compliance with all local and state
ordinances regarding motor vehicle
operation. 1. Using the friction bubble in the Cluster Performance menu, apply the brakes 25
times starting at 100 km/h (60 mph) to
50 km/h (30 mph) while decelerating at
0.4 g. This is a medium brake
application. Drive for at least 1.6 km
(1.0 mi) between applications. This first
step may be skipped if there are more
than 320 km (200 mi) on the brake pads.