2019 CHEVROLET SILVERADO lane assist

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
1500-11698642) - 2019 - CRC - 2/20/19
268 Driving and Operating
and a vehicle is also detected on
the same side, the display will flash
as an extra warning not to change
lanes. Since this system is part of
the Lane Change Alert (LCA)
system, read the entire LCA section
before using this feature.
Lane Change Alert (LCA)
If equipped, the LCA system is a
lane-changing aid that assists
drivers with avoiding lane change
crashes that occur with moving
vehicles in the side blind zone (or
spot) areas or with vehicles rapidly
approaching these areas from
behind. The LCA warning display
will light up in the corresponding
outside side mirror and will flash if
the turn signal is on.
{Warning
LCA does not alert the driver to
vehicles outside of the system
detection zones, pedestrians,
bicyclists, or animals. It may not(Continued)
Warning (Continued)
provide alerts when changing
lanes under all driving conditions.
Failure to use proper care when
changing lanes may result in
injury, death, or vehicle damage.
Before making a lane change,
always check mirrors, glance over
your shoulder, and use the turn
signals.
LCA Detection Zones
1. SBZA Detection Zone
2. LCA Detection Zone
The LCA sensor covers a zone of
approximately one lane over from
both sides of the vehicle, or 3.5 m (11 ft). The height of the zone is
approximately between 0.5 m (1.5 ft)
and 2 m (6 ft) off the ground. The
Side Blind Zone Alert (SBZA)
warning area starts at approximately
the middle of the vehicle and goes
back 5 m (16 ft). Drivers are also
warned of vehicles rapidly
approaching from up to 25 m (82 ft)
behind the vehicle.
How the System Works
The LCA symbol lights up in the
side mirrors when the system
detects a moving vehicle in the next
lane over that is in the side blind
zone or rapidly approaching that
zone from behind. A lit LCA symbol
indicates it may be unsafe to
change lanes. Before making a lane
change, check the LCA display,
check mirrors, glance over your
shoulder, and use the turn signals.

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
1500-11698642) - 2019 - CRC - 2/20/19
270 Driving and Operating
system is clean, the system may
need service. Take the vehicle to
your dealer.
Radio Frequency Information
SeeRadio Frequency Statement
0 445.
Lane Departure
Warning (LDW)
If equipped, LDW may help avoid
crashes due to unintentional lane
departures. It may provide a
warning if the vehicle is crossing a
detected lane marking without using
a turn signal in the lane departure
direction. Since this system is part
of the Lane Keep Assist (LKA)
system, read the entire LKA section
before using this feature.
Lane Keep Assist (LKA)
If equipped, LKA may help avoid
crashes due to unintentional lane
departures. It may assist by gently
turning the steering wheel if the
vehicle approaches a detected lane
marking without using a turn signal in that direction. It may also provide
a Lane Departure Warning (LDW)
system alert as the lane marking is
crossed. The LKA system will not
assist or provide an LDW alert if it
detects that you are actively
steering. Override LKA by turning
the steering wheel. LKA uses a
camera to detect lane markings
between 60 km/h (37 mph) and
180 km/h (112 mph).
{Warning
The LKA system does not
continuously steer the vehicle.
It may not keep the vehicle in the
lane or give a Lane Departure
Warning (LDW) alert, even if a
lane marking is detected.
The LKA and LDW systems
may not:
. Provide an alert or enough
steering assist to avoid a
lane departure or crash.
(Continued)
Warning (Continued)
.Detect lane markings under
poor weather or visibility
conditions. This can occur if
the windshield or
headlamps are blocked by
dirt, snow, or ice, if they are
not in proper condition, or if
the sun shines directly into
the camera.
. Detect road edges.
. Detect lanes on winding or
hilly roads.
If LKA only detects lane markings
on one side of the road, it will
only assist or provide an LDW
alert when approaching the lane
on the side where it has detected
a lane marking. Even with LKA
and LDW, you must steer the
vehicle. Always keep your
attention on the road and
maintain proper vehicle position
within the lane, or vehicle
damage, injury, or death could (Continued)

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
1500-11698642) - 2019 - CRC - 2/20/19
Driving and Operating 271
Warning (Continued)
occur. Always keep the
windshield, headlamps, and
camera sensors clean and in
good repair. Do not use LKA in
bad weather conditions.
{Warning
Using LKA while towing a trailer
or on slippery roads could cause
loss of control of the vehicle and
a crash. Turn the system off.
How the System Works
The LKA camera sensor is on the
windshield ahead of the rearview
mirror.
To turn LKA on and off, press
A
on the center stack.
When on,
Ais green if LKA is
available to assist and provide LDW
alerts. It may assist by gently
turning the steering wheel and display
Aas amber if the vehicle
approaches a detected lane marking
without using a turn signal in that
direction. It may also provide an
LDW alert by flashing
Aamber
as the lane marking is crossed.
Additionally, there may be three
beeps, or the driver seat may pulse
three times, on the right or left,
depending on the lane departure
direction.
Take Steering
The LKA system does not
continuously steer the vehicle.
If LKA does not detect active driver
steering, an alert, chime, or DIC
message may be provided. Move
the steering wheel to dismiss.
When the System Does Not
Seem to Work Properly
The system performance may be
affected by:
. Close vehicles ahead.
. Sudden lighting changes, such
as when driving through tunnels.
. Banked roads. .
Roads with poor lane markings,
such as two-lane roads.
If the LKA system is not functioning
properly when lane markings are
clearly visible, cleaning the
windshield may help.
A camera blocked message may
display if the camera is blocked.
Cleaning the outside of the
windshield behind the rearview
mirror may correct the issue. Some
driver assistance systems may have
reduced performance or not work at
all. An LKA or LDW unavailable
message may display if the systems
are temporarily unavailable. This
message could be due to a blocked
camera. The LKA system does not
need service. Clean the outside of
the windshield behind the rearview
mirror.
LKA assistance and/or LDW alerts
may occur due to tar marks,
shadows, cracks in the road,
temporary or construction lane
markings, or other road
imperfections. This is normal system

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
1500-11698642) - 2019 - CRC - 2/20/19
278 Driving and Operating
.Vehicles can tow in D (Drive).
Tow/Haul Mode is recommended
for heavier trailers. See Tow/
Haul Mode 0235. If the
transmission downshifts too
often, a lower gear may be
selected using Manual Mode.
See Manual Mode 0233.
If equipped, the following driver
assistance features should be
turned off when towing a trailer:
. Cruise Control
. Lane Keep Assist (LKA)
. Park Assist
. Reverse Automatic
Braking (RAB)
If equipped, the following driver
assistance features should be
turned to alert or off when towing a
trailer:
. Forward Automatic
Braking (FAB)
. Intelligent Brake Assist (IBA)
. Front Pedestrian Braking (FPB) If equipped with Lane Change Alert
(LCA), the LCA detection zones that
extend back from the side of the
vehicle do not move further back
when a trailer is towed. Use caution
while changing lanes when towing a
trailer.
If equipped with Rear Cross Traffic
Alert (RCTA), use caution while
backing up when towing a trailer, as
the RCTA detection zones that
extend out from the back of the
vehicle do not move further back
when a trailer is towed.
{Warning
To prevent serious injury or death
from carbon monoxide (CO),
when towing a trailer:
. Do not drive with the
liftgate, trunk/hatch,
or rear-most window open.
. Fully open the air outlets on
or under the instrument
panel.
(Continued)
Warning (Continued)
.Adjust the climate control
system to a setting that
brings in only outside air.
See “Climate Control
Systems” in the Index.
For more information about
carbon monoxide, see Engine
Exhaust 0229.
Towing a trailer requires experience.
The combination of the vehicle and
trailer is longer and not as
responsive as the vehicle itself. Get
used to the handling and braking of
the combination by driving on a
level road surface before driving on
public roads.
The trailer structure, the tires, and
the brakes must all be rated to carry
the intended cargo. Inadequate
trailer equipment can cause the
combination to operate in an
unexpected or unsafe manner.
Before driving, inspect all trailer
hitch parts and attachments, safety
chains, electrical connectors, lamps,

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
1500-11698642) - 2019 - CRC - 2/20/19
Driving and Operating 291
Pressing START LIGHT TEST in the
Trailering App automatically
activates trailer lamps. The
Trailering App is not a substitute for
manually inspecting your trailer
lamps. SeeTrailering App 0297.
Turn Signals When Towing a
Trailer
When properly connected, the trailer
turn signals will illuminate to indicate
the vehicle is turning, changing
lanes, or stopping. When towing a
trailer, the arrows on the instrument
cluster will illuminate even if the
trailer is not properly connected or
the bulbs are burned out.
Tow/Haul Mode
For instructions on how to enter
Tow/Haul Mode, see Driver Mode
Control 0247.
Tow/Haul assists when pulling a
heavy trailer or a large or heavy
load. See Tow/Haul Mode 0235.
Tow/Haul Mode is designed to be
most effective when the vehicle and
trailer combined weight is at least
75% of the vehicle's Gross Combined Weight Rating (GCWR).
See
“Weight of the Trailer” under
Trailer Towing 0282.
Tow/Haul Mode is most useful when
towing a heavy trailer or carrying a
large or heavy load:
. through rolling terrain.
. in stop-and-go traffic.
. in busy parking lots.
Operating the vehicle in Tow/Haul
Mode when lightly loaded or not
towing will not cause damage;
however, it is not recommended and
may result in unpleasant engine and
transmission driving characteristics
and reduced fuel economy.Integrated Trailer Brake
Control System
The vehicle may have an Integrated
Trailer Brake Control (ITBC) system
for use with electric trailer brakes or
most electric over hydraulic trailer
brake systems. These instructions
apply to both types of electric trailer
brakes.
This symbol is on the Trailer Brake
Control Panel on vehicles with an
ITBC system. The power output to
the trailer brakes is proportional to
the amount of vehicle braking. This
available power output to the trailer
brakes can be adjusted to a wide
range of trailering situations.
The ITBC system is integrated with
the vehicle’ s brake, antilock brake,
and StabiliTrak/Electronic Stability
Control (ESC) systems. In trailering
conditions that cause the vehicle’s
antilock brake or StabiliTrak/ESC
systems to activate, power sent to
the trailer's brakes will be
automatically adjusted to minimize
trailer wheel lock-up. This does not
imply that the trailer has
StabiliTrak/ESC.
If the vehicle’s brake, anti-lock
brake, or StabiliTrak/ESC systems
are not functioning properly, the

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
1500-11698642) - 2019 - CRC - 2/20/19
Index 461
IndexA
Accessories andModifications . . . . . . . . . . . . . . . . . . 314
Accessory Power . . . . . . . . . . . . . . . 226
Active Fuel Management . . . . . . . 228
Add-On Electrical Equipment . . . 307
Adding a Snow Plow or Similar Equipment . . . . . . . . . . . . . 308
Additional Information OnStar . . . . . . . . . . . . . . . . . . . . . . . 451
Additional Maintenance and Care . . . . . . . . . . . . . . . . . . . . . . 424
Adjustments Lumbar, Front Seats . . . . . . . . . . . . 71
Air Cleaner/Filter, Engine . . . . . . . 327
Air Conditioning . . . . . . . . . . . 189, 191
Air Filter Life System . . . . . . . . . . . . . . . . . . . 326
Air Filter, Passenger
Compartment . . . . . . . . . . . . . . . . . 195
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 195
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . . . 98
How Does an AirbagRestrain? . . . . . . . . . . . . . . . . . . . . . 90
Passenger Sensing System . . . . 92
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 90 Airbag System (cont'd)
What Will You See after an
Airbag Inflates? . . . . . . . . . . . . . . . 91
When Should an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 89
Where Are the Airbags? . . . . . . . . 88
Airbags Adding Equipment to theVehicle . . . . . . . . . . . . . . . . . . . . . . . . 97
Passenger Status Indicator . . . 148
Readiness Light . . . . . . . . . . . . . . 148
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . . . 96
System Check . . . . . . . . . . . . . . . . . . 86
Alarm Vehicle Security . . . . . . . . . . . . . . . . 53
Alert Lane Change . . . . . . . . . . . . . . . . . 268
Side Blind Zone (SBZA) . . . . . . 267
All-Season Tires . . . . . . . . . . . . . . . . 361
All-Terrain Tires . . . . . . . . . . . . . . . . . 362
Antilock Brake System (ABS) . . . 241 Warning Light . . . . . . . . . . . . . . . . . 153
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . 405
Interior . . . . . . . . . . . . . . . . . . . . . . . . 410
Assistance Program, Roadside . . . . . . . . . . . . . . . . . . . . . . 439

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
1500-11698642) - 2019 - CRC - 2/20/19
466 Index
H
Halogen Bulbs . . . . . . . . . . . . . . . . . . 347
Hazard Warning Flashers . . . . . . . 181
Head Restraints . . . . . . . . . . . . . . . . . 68
Head-up Display . . . . . . . . . . . . . . . . 164
HeadlampsAiming . . . . . . . . . . . . . . . . . . . . . . . . 347
Automatic . . . . . . . . . . . . . . . . . . . . . 180
Bulb Replacement . . . . . . . . . . . . 347
Daytime RunningLamps (DRL) . . . . . . . . . . . . . . . . 180
Flash-to-Pass . . . . . . . . . . . . . . . . . 180
Headlamps, Front Turn Signal, Sidemarker, and
Parking Lamps . . . . . . . . . . . . . . 348
High-Beam On Light . . . . . . . . . . 158
High/Low Beam Changer . . . . . 179
Lamps On Reminder . . . . . . . . . 159
Heated
Rear Seats . . . . . . . . . . . . . . . . . . . . . 78
Steering Wheel . . . . . . . . . . . . . . . 132
Heated and Ventilated Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Heated Mirrors . . . . . . . . . . . . . . . . . . . 58
Heater
Engine . . . . . . . . . . . . . . . . . . . . . . . . 224
Heating . . . . . . . . . . . . . . . . . . . . 189, 191
High-Beam On Light . . . . . . . . . . . . 158 High-Speed Operation . . . . . . . . . . 370
Hill and Mountain Roads . . . . . . . . 207
Hill Descent Control (HDC) . . . . . 246
Hill Descent Control Light . . . . . . . 154
Hill Start Assist (HSA) . . . . . . . . . . 244
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . 315
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
How to Wear Seat Belts
Properly . . . . . . . . . . . . . . . . . . . . . . . . 80
HVAC . . . . . . . . . . . . . . . . . . . . . . 189, 191
I
Ignition Positions . . . . . . . . . . 218, 220
Ignition Transmission Lock Check . . . . . . . . . . . . . . . . . . . . . . . . . 344
Immobilizer . . . . . . . . . . . . . . . . . . . . . . 54
Indicator Pedestrian Ahead . . . . . . . . . . . . 155
Vehicle Ahead . . . . . . . . . . . . . . . . 155
Infants and Young Children, Restraints . . . . . . . . . . . . . . . . . . . . . 100
Information Publication Ordering . . . . . . . . . . 444
Infotainment . . . . . . . . . . . . . . . . . . . . 188
Infotainment System . . . . . . . . . . . . 448
Instrument Cluster . . . . . . . . . . . . . . 139
Interior Rearview Mirrors . . . . . . . . . 59
Introduction . . . . . . . . . . . . . . . . . . . . . . . 2
J
Jump Starting - North America . . . . . . . . . . . . . . . . . . . . . . . 396
K
Keyless EntryRemote (RKE) System . . . . . 34, 42
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
L
Labeling, Tire Sidewall . . . . . . . . . . 362
Lamps Daytime Running (DRL) . . . . . . 180
Dome . . . . . . . . . . . . . . . . . . . . . . . . . 184
Exterior Cargo . . . . . . . . . . . . . . . . 183
Exterior Controls . . . . . . . . . . . . . . 177
Exterior Lamps OffReminder . . . . . . . . . . . . . . . . . . . 179
Exterior Lighting Battery Saver . . . . . . . . . . . . . . . . . . . . . . . 187
License Plate . . . . . . . . . . . . . . . . . 350
Malfunction Indicator
(Check Engine) . . . . . . . . . . . . . 150
On Reminder . . . . . . . . . . . . . . . . . 159
Reading . . . . . . . . . . . . . . . . . . . . . . 185
Lane Change Alert (LCA) . . . . . . . 268
Lane Departure Warning (LDW) . . . . . . . . . . . . . . . . 270
Lane Keep Assist (LKA) . . . . . . . . 270

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
1500-11698642) - 2019 - CRC - 2/20/19
Index 467
Lane Keep Assist Light . . . . . . . . . 154
Lap-Shoulder Belt . . . . . . . . . . . . . . . 82
LATCH SystemReplacing Parts after aCrash . . . . . . . . . . . . . . . . . . . . . . . .117
LATCH, Lower Anchors and Tethers for Children . . . . . . . . . . . 106
LED Lighting . . . . . . . . . . . . . . . . . . . . 348
Lighting Entry . . . . . . . . . . . . . . . . . . . . . . . . . 185
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Illumination Control . . . . . . . . . . . 184
LED . . . . . . . . . . . . . . . . . . . . . . . . . . 348
Task . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Lights Airbag Readiness . . . . . . . . . . . . . 148
Antilock Brake System
(ABS) Warning . . . . . . . . . . . . . . 153
Brake System Warning . . . . . . . 152
Charging System . . . . . . . . . . . . . 149
Check Engine (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . 150
Cruise Control . . . . . . . . . . . . . . . . 159
Door Ajar . . . . . . . . . . . . . . . . . . . . . 159
Driver Mode Control . . . . . . . . . . 157
Electric Parking Brake . . . . . . . . 153
Electronic Stability Control (ESC), Off . . . . . . . . . . . . . . . . . . . 156 Lights (cont'd)
Engine Coolant
Temperature Warning . . . . . . . 156
Engine Oil Pressure . . . . . . . . . . 158
Flash-to-Pass . . . . . . . . . . . . . . . . . 180
Four-Wheel-Drive . . . . . . . . . . . . . 154
Front Fog Lamp . . . . . . . . . . . . . . 159
High-Beam On . . . . . . . . . . . . . . . . 158
High/Low Beam Changer . . . . . 179
Hill Descent Control . . . . . . . . . . 154
Lane Keep Assist . . . . . . . . . . . . . 154
Low Fuel Warning . . . . . . . . . . . . 158
Seat Belt Reminders . . . . . . . . . . 147
Security . . . . . . . . . . . . . . . . . . . . . . 158
Service Electric Parking
Brake . . . . . . . . . . . . . . . . . . . . . . . 153
Tire Pressure . . . . . . . . . . . . . . . . . 157
Tow/Haul Mode . . . . . . . . . . . . . . . 154
Traction Off . . . . . . . . . . . . . . . . . . . 155
Limited-Slip Differential . . . . . . . . . 251
Locking Rear Axle . . . . . . . . . . . . . . 251
Locks Automatic Door . . . . . . . . . . . . . . . . . 47
Delayed Locking . . . . . . . . . . . . . . . . 46
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Lockout Protection . . . . . . . . . . . . . . 47
Power Door . . . . . . . . . . . . . . . . . . . . . 46
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . 47 Loss of Control . . . . . . . . . . . . . . . . . 201
Low Fuel Warning Light . . . . . . . . . 158
Low-Profile Tires . . . . . . . . . . . . . . . . 362
Lower Anchors and Tethers
for Children (LATCH
System) . . . . . . . . . . . . . . . . . . . . . . . 106
Lumbar Adjustment . . . . . . . . . . . . . . 71
Front Seats . . . . . . . . . . . . . . . . . . . . . 71
M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . . . 430
Maintenance and Care Additional . . . . . . . . . . . . . . . . . . . . . 424
Maintenance Schedule . . . . . . . . . 417 Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . 427
Transfer Case . . . . . . . . . . . . . . . . 236
Malfunction Indicator Lamp . . . . . 150
Manual Mirrors . . . . . . . . . . . . . . . . . . 56
Manual Mode . . . . . . . . . . . . . . . . . . . 233
Manual Windows . . . . . . . . . . . . . . . . 62
Memory Features . . . . . . . . . . . . . . . . 13
Memory Seats . . . . . . . . . . . . . . . . . . . 73
Messages Engine Power . . . . . . . . . . . . . . . . 168
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 167
Vehicle Speed . . . . . . . . . . . . . . . . 168