2018 CHEVROLET SILVERADO ECU

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349200) - 2018 - CRC - 2/27/18
Infotainment System 185
Software Updates
Over-the-Air Software Updates
If equipped, the infotainment system
can download and install select
software updates over a wireless
connection. The system will prompt
for certain updates to be
downloaded and installed. There is
also an option to check for updates
manually.
To manually check for updates,
touch SETTINGS on the Home
Page, followed by Software
Information, and then System
Update. Follow the on-screen
prompts. The steps to check for,
download and install updates may
vary by vehicle.
Downloading Over-the-Air vehicle
software updates requires Internet
connectivity, which can be accessed
through the vehicle’s built-in OnStar
4G LTE connection, if equipped and
active. If required, data plans are
provided by a third party. Optionally,
a secure Wi-Fi hotspot such as a
compatible mobile device hotspot, home hotspot, or public hotspot can
be used. Applicable data rates may
apply.
To connect the infotainment system
to a secured mobile device hotspot,
home hotspot, or public hotspot,
touch SETTINGS on the Home
Page, followed by Wi-Fi, and then
Manage Wi-Fi Networks. Select the
appropriate Wi-Fi network, and
follow the on-screen prompts.
Download speeds may vary.
On most compatible mobile devices,
activation of the Wi-Fi hotspot is in
the Settings menu under Mobile
Network Sharing, Personal Hotspot,
Mobile Hotspot, or similar.
Availability of Over-the-Air vehicle
software updates varies by vehicle
and country. For more information
on this feature, see
www.my.chevrolet.com/learn.
Radio
AM-FM Radio
Playing the Radio
Audio Source Menu
{:
Press to go to the Home Page.
O:Press to turn on, mute,
or unmute the system. Press and
hold to turn off the system.
Selecting a Band
Press{, then touch AUDIO,
Source, then select AM, FM,
or SXM, if equipped. The last station
that was playing starts playing
again.
System Settings
Auto Volume
This feature automatically adjusts
the radio volume to compensate for
road and wind noise.
The level of volume compensation
can be selected, or the feature can
be turned off.

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349200) - 2018 - CRC - 2/27/18
Infotainment System 189
accessory power outlet. If there is
interference or static, unplug the
item from the accessory power
outlet.
FM
FM signals only reach about 16 to
65 km (10 to 40 mi). Although the
radio has a built-in electronic circuit
that automatically works to reduce
interference, some static can occur,
especially around tall buildings or
hills, causing the sound to fade in
and out.
AM
The range for most AM stations is
greater than for FM, especially at
night. The longer range can cause
station frequencies to interfere with
each other. Static can also occur
when things like storms and power
lines interfere with radio reception.
When this happens, try reducing the
treble on the radio.
SiriusXM Satellite Radio
Service
If equipped, SiriusXM Satellite
Radio Service provides digital radio
reception. Tall buildings or hills can
interfere with satellite radio signals,
causing the sound to fade in and
out. In addition, traveling or standing
under heavy foliage, bridges,
garages, or tunnels may cause loss
of the SiriusXM signal for a period
of time.
Cell Phone Usage
Cell phone usage, such as making
or receiving phone calls, charging,
or just having the phone on may
cause static interference in the
radio. Unplug the phone or turn it off
if this happens.
Fixed Mast Antenna
The fixed mast antenna will go
through most car washes as long as
it is securely attached. If the
antenna becomes slightly bent,
straighten it out by hand. If it is
badly bent, replace it.Occasionally check that the antenna
is tight at the base. If tightening is
required, protect the paint from
damage.
Multi-Band Antenna
The multi-band antenna is on the
roof of the vehicle. The antenna is
used for OnStar, the SiriusXM
Satellite Radio Service System, and
GPS (Global Positioning System),
if the vehicle has these features.
Keep the antenna clear of
obstructions for clear reception.
If the vehicle has a sunroof, and it is
open, reception can also be
affected.
Items on the roof of the vehicle can
interfere with the performance of the
radio system and OnStar (if
equipped). Make sure the
multi-band antenna is not
obstructed.

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349200) - 2018 - CRC - 2/27/18
Infotainment System 205
How to Speak :Speak clearly in a
calm and natural voice.
Audio System
When using the Bluetooth system,
sound comes through the vehicle's
front audio system speakers and
overrides the audio system. Use the
Oknob during a call to change the
volume level. The system maintains
a minimum volume level.
Bluetooth Audio Quality
Turn off the Echo and Noise
cancellation feature on your phone,
if supported, for the best hands-free
performance.
See www.gm.com/bluetooth for U.S.
and Canada only.
Bluetooth (Infotainment
Controls)
To use infotainment controls to
access the menu system, see
Overview 0183.
Pairing
A Bluetooth-enabled cell phone
must be paired to the Bluetooth
system and then connected to the
vehicle before it can be used. See
your cell phone manufacturer's user
guide for Bluetooth functions before
pairing the cell phone. If a Bluetooth
phone is not connected, calls will be
made using OnStar Hands-Free
Calling, if available. See OnStar
Overview 0475.
Pairing Information
. A Bluetooth phone with MP3
capability cannot be paired to
the vehicle as a phone and an
MP3 player at the same time.
. Up to 10 cell phones can be
paired to the Bluetooth system.
. The pairing process is disabled
when the vehicle is moving.
. Pairing only needs to be
completed once, unless the
pairing information on the cell
phone changes or the cell phone
is deleted from the system. .
Only one paired cell phone can
be connected to the Bluetooth
system at a time.
. If multiple paired cell phones are
within range of the system, the
system connects to the first
available paired cell phone in the
order that they were first paired
to the system.
When the Bluetooth device and
infotainment system are
successfully paired, the phone book
is downloaded automatically. This is
dependent on the type of the phone
paired. If the automatic download
does not occur, proceed with the
phone book download on the
phone.
Pairing a Phone - SSP and No
Paired Device
When there is no paired device on
the infotainment system and Simple
Secure Pairing (SSP) is supported:
1. Press
{.

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349200) - 2018 - CRC - 2/27/18
Infotainment System 207
If a Bluetooth device was previously
connected, the infotainment system
executes the auto connection.
However, if the Bluetooth setting on
the Bluetooth device is turned off, a
failure message is displayed on the
infotainment system.
Pairing a Phone - No SSP and
Paired Device
When a paired device is on the
infotainment system and SSP is not
supported:1. Press
{.
2. Touch Settings.
3. Touch Bluetooth, then Device Management.
4. Touch the desired device to pair. When the Bluetooth
device and infotainment system
are successfully paired,
Z/5
is displayed on the pair device
screen. If no desired device is
available go to Step 5.
5. Touch Search Device to search for the desired device. 6. Touch the desired device to
pair on the searched list
screen.
7. Input the Personal Identification Number (PIN)
code (default: 1234) to the
Bluetooth device. When the
Bluetooth device and
infotainment system are
successfully paired,
Z/5is
displayed on the pair device
screen.
. The connected phone is
highlighted by
5.
.
Z/5indicates the hands-free
and phone music functions are
enabled.
.
5indicates only the hands-free
function is enabled.
.
Zindicates only Bluetooth
music is enabled.
Connecting a Paired Bluetooth
Device
1. Press
{.
2. Touch Settings. 3. Touch Bluetooth, then Device
Management.
4. Touch the device to be connected.
Checking the Bluetooth
Connection
1. Press
{.
2. Touch Settings.
3. Touch Bluetooth, then Device Management.
4. The paired device will show.
Disconnecting a Bluetooth Device
1. Press
{.
2. Touch Settings.
3. Touch Bluetooth, then Device Management.
4. Touch the name of the device to be disconnected.
5. Touch Disconnect.
Deleting a Bluetooth Device
1. Press
{.
2. Touch Settings.

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349200) - 2018 - CRC - 2/27/18
210 Infotainment System
For further information on how to set
up Android Auto and Apple CarPlay
in the vehicle, see my.chevrolet.com
or seeCustomer Assistance Offices
0 463.
Android Auto is provided by
Google and is subject to Google’ s
terms and privacy policy. Apple
CarPlay is provided by Apple and is
subject to Apple’ s terms and privacy
policy. Data plan rates apply.
For Android Auto support see
https://support.google.com/
androidauto. For Apple CarPlay
support see www.apple.com/ios/
carplay/. Apple or Google may
change or suspend availability at
any time. Android Auto, Android,
Google, Google Play, and other
marks are trademarks of Google
Inc.; Apple CarPlay is a trademark
of Apple Inc.Trademarks and
License Agreements
FCC Information
See Radio Frequency Statement
0 471.
"Made for iPod" and "Made for
iPhone" mean that an electronic
accessory has been designed to
connect specifically to iPod or
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 iPod or iPhone may affect
wireless performance. iPhone, iPod,
iPod classic, iPod nano, iPod shuffle, and iPod touch are
trademarks of Apple Inc., registered
in the U.S. and other countries.
Fees and Taxes: Subscription fee,
taxes, one time activation fee, and
other fees may apply. Subscription
fee is consumer only. All fees and
programming subject to change.
Subscriptions subject to Customer
Agreement available at
www.siriusxm.com. SiriusXM
service only available in the
48 contiguous United States and
Canada.
In Canada: Some deterioration of
service may occur in extreme
northern latitudes. This is beyond
the control of SiriusXM Satellite
Radio.

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349200) - 2018 - CRC - 2/27/18
224 Climate Controls
Maintenance
Passenger Compartment
Air Filter
The filter reduces the dust, pollen,
and other airborne irritants from
outside air that is pulled into the
vehicle.
The filter should be replaced as part
of routine scheduled maintenance.
SeeMaintenance Schedule 0443.
To find out what type of filter to use,
see Maintenance Replacement
Parts 0453.
1. Open the lower glove box door
completely.
2. Remove the four screws from around the lower glove box.
The door does not need to be
removed to access the screws.
3. Close the lower glove box doorand pull it from its frame to
remove the entire unit.
4. Release the two tabs holding
the service door. Open the
service door and remove the
old filter.
5. Install the new air filter.
6. Close the service door and secure the tabs.
7. Reverse the steps to reinstall the glove box.
See your dealer if additional
assistance is needed.

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349200) - 2018 - CRC - 2/27/18
232 Driving and Operating
Caution
Operating the vehicle for
extended periods without the front
fascia lower air dam installed can
cause improper airflow to the
engine. Reattach the front fascia
air dam after off-road driving.
Loading the Vehicle for
Off-Road Driving
{Warning
.Unsecured cargo on the
load floor can be tossed
about when driving over
rough terrain. You or your
passengers can be struck
by flying objects. Secure the
cargo properly.
. Keep cargo in the cargo
area as far forward and as
low as possible. The
(Continued)
Warning (Continued)
heaviest things should be
on the floor, forward of the
rear axle.
. Heavy loads on the roof
raise the vehicle's center of
gravity, making it more likely
to roll over. You can be
seriously or fatally injured if
the vehicle rolls over. Put
heavy loads inside the
cargo area, not on the roof.
For more information about loading
the vehicle, see Vehicle Load Limits
0 239 andTires 0384.
Environmental Concerns
.
Always use established trails,
roads, and areas that have been
set aside for public off-road
recreational driving and obey all
posted regulations.
. Do not damage shrubs, flowers,
trees, or grasses or disturb
wildlife. .
Do not park over things that
burn. See Parking over Things
That Burn 0255.
Driving on Hills
Driving safely on hills requires good
judgment and an understanding of
what the vehicle can and cannot do.
{Warning
Many hills are simply too steep
for any vehicle. Driving up hills
can cause the vehicle to stall.
Driving down hills can cause loss
of control. Driving across hills can
cause a rollover. You could be
injured or killed. Do not drive on
steep hills.
Before driving on a hill, assess the
steepness, traction, and
obstructions. If the terrain ahead
cannot be seen, get out of the
vehicle and walk the hill before
driving further.

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349200) - 2018 - CRC - 2/27/18
Driving and Operating 243
includes the weight of the
vehicle, all occupants, fuel, and
cargo.
The Certification/Tire label also
may show the maximum weights
for the front and rear axles,
called Gross Axle Weight
Rating (GAWR). To determine
the actual loads on the front and
rear axles, weigh the vehicle at
a weigh station. Your dealer can
help with this. Be sure to spread
the load equally on both sides of
the centerline.
The Certification/Tire label also
contains important information
about the Front Axle Reserve
Capacity. SeeAdding a Snow
Plow or Similar Equipment
0 330.{Warning
In the case of a sudden stop
or collision, things carried in
the bed of your truck could
shift forward and come into
the passenger area, injuring
you and others. If you put
things in the bed of your truck,
you should make sure they
are properly secured.
Caution
Overloading the vehicle may
cause damage. Repairs would not
be covered by the vehicle
warranty. Do not overload the
vehicle.
Using heavier suspension
components to get added
durability might not change the
weight ratings. Ask your dealer
to help load the vehicle the
right way.
{Warning
Things you put inside the
vehicle can strike and injure
people in a sudden stop or
turn, or in a crash.
.Put things in the cargo
area of the vehicle. Try to
spread the weight evenly.
.Never stack heavier
things, like suitcases,
inside the vehicle so that
some of them are above
the tops of the seats.
.Do not leave an
unsecured child restraint
in the vehicle.
.When you carry
something inside the
vehicle, secure it
whenever you can.
.Do not leave a seat
folded down unless you
need to.