air filter number CHEVROLET TRAILBLAZER 2021 Owner's Manual

Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
14400528) - 2021 - CRC - 11/7/19
106 Instruments and Controls
The Oil Life display must be reset after each
oil change. It will not reset itself. Do not
reset the Oil Life display at any time other
than when the oil has just been changed.
It cannot be reset accurately until the next
oil change. To reset the engine oil life
system, press and hold
lor thumbwheel
for several seconds while the Oil Life display
is active. See Engine Oil Life System 0252.
Air Filter Life : Shows an estimate of the
engine air filter’s remaining useful life and
the state of the system. Engine Air Filter Life
95% means 95% of the current air filter life
remains. Messages will display based on the
engine air filter life and the state of the
system. When the REPLACE AT NEXT OIL
CHANGE message displays, the engine air
filter should be replaced at the time of the
next oil change. When the REPLACE SOON
message displays, the engine air filter
should be replaced at the earliest
convenience.
The Air Filter Life display must be reset after
the engine air filter replacement. To reset,
see Engine Air Filter Life System 0253.
Tire Pressure : Shows the approximate
pressures of all four tires. Tire pressure is
displayed in either kilopascal (kPa) or in
pounds per square inch (psi). If the pressure is low, the value for that
tire is shown in amber. See
Tire Pressure
Monitor System 0286 and
Tire Pressure Monitor Operation 0287.
Following Distance : When Adaptive Cruise
Control (ACC) is not engaged, the current
follow time to the vehicle ahead is displayed
as a time value on this page. If equipped
and when ACC has been engaged, the
display switches to the gap setting page.
This page shows the current gap setting
along with the vehicle ahead indicator.
Units : Press
lor thumbwheel on the turn
signal lever while units is displayed. Select
imperial or metric units by turning adjuster
wheel. Confirm by pressing
lor
thumbwheel.
ECO Drive Assist Menu (ECO) Items
This menu is only available on some
vehicles. Press MENU on the turn signal
lever until the ECO menu is displayed. Use
mor thumbwheel up/down to scroll
through the menu items. Not all items are
available on every vehicle. The following is a
list of all possible menu items: Fuel Economy :
The center displays the
approximate instantaneous fuel economy as
a number and bar graph. Displayed above
the bar graph is a running average of fuel
economy for the most recently traveled
selected distance. Displayed below the bar
graph is the best average fuel economy that
has been achieved for the selected distance.
The selected distance is displayed at the top
of the page as “last xxx mi/km.”
Top Consumers : List of top comfort
consumers currently switched on is
displayed in descending order. Fuel saving
potential is indicated.
During sporadic driving conditions, the
engine will activate the heated rear window
automatically. In this event, the heated rear
window is indicated as one of the top
consumers, without activation by the driver.
Economy Trend : Shows history of the
Average Fuel Economy from the last 50 km
(30 mi). Each bar represents about 5 km
(3 mi) of driving. During driving the bars will
shift to always reflect the most recent
distance on the right side. Press and hold
lor thumbwheel to clear the graph.
ECO Index : Provides feedback on the
efficiency of current driving behavior. The
bar graph shows a value that is based on

Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
14400528) - 2021 - CRC - 11/7/19
108 Instruments and Controls
Thumbwheel :Press to open a menu or
select a menu item. Press and hold to reset
values on certain screens.
DIC Info Pages
The following is the list of all possible DIC
info page displays. Some may not be
available for your particular vehicle. Some
items may not be turned on by default but
can be turned on through the Options app.
See “DIC Info Page Options” earlier in this
section.
Speed : Shows the vehicle speed in either
kilometers per hour (km/h) or miles per
hour (mph). The vehicle odometer is also
shown on this page.
Trip 1 or Trip 2, Average Fuel Economy :
Shows the current distance traveled, in
either kilometers (km) or miles (mi), since
the trip odometer was last reset.
The Average Fuel Economy display shows
the approximate average liters per
100 kilometers (L/100 km) or miles per
gallon (mpg). This number is calculated
based on the number of L/100 km (mpg)
recorded since the last time this menu item
was reset. This number reflects only the approximate average fuel economy that the
vehicle has right now, and will change as
driving conditions change.
Fuel Range and Instantaneous Fuel
Economy :
Shows the approximate distance
the vehicle can be driven without refueling.
LOW will be displayed when the vehicle is
low on fuel. The fuel range estimate is
based on an average of the vehicle's fuel
economy over recent driving history and the
amount of fuel remaining in the fuel tank.
The Instantaneous Fuel Economy display
shows the current fuel economy in either
liters per 100 kilometers (L/100 km) or miles
per gallon (mpg). This number reflects only
the approximate fuel economy that the
vehicle has right now and changes
frequently as driving conditions change.
Oil Life : Shows an estimate of the oil's
remaining useful life. If REMAINING OIL LIFE
99% is displayed, that means 99% of the
current oil life remains.
When the remaining oil life is low, the
CHANGE ENGINE OIL SOON message will
appear on the display. The oil should be
changed as soon as possible. See Engine Oil
0 250. In addition to the engine oil life system monitoring the oil life, additional
maintenance is recommended. See
Maintenance Schedule
0316.
The Oil Life display must be reset after each
oil change. It will not reset itself. Do not
reset the Oil Life display at any time other
than when the oil has just been changed.
It cannot be reset accurately until the next
oil change. To reset the engine oil life
system, press and hold the center toggle
switch for several seconds while the Oil Life
display is active. See Engine Oil Life System
0 252.
Tire Pressure : Shows the approximate
pressures of all four tires. Tire pressure is
displayed in either kilopascal (kPa) or in
pounds per square inch (psi). If the
pressure is low, the value for that
tire is shown in amber. See Tire Pressure
Monitor System 0286 and
Tire Pressure Monitor Operation 0287.
Air Filter Life : Shows an estimate of the
engine air filter’s remaining useful life and
the state of the system. Engine Air Filter Life
95% means 95% of the current air filter life
remains. Messages will display based on the
engine air filter life and the state of the
system. When the REPLACE AT NEXT OIL
CHANGE message displays, the engine air

Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
14400528) - 2021 - CRC - 11/7/19
Infotainment System 161
Touch the controls on the infotainment
display to disable or enable.
.About Apps: Touch to view the versions
of the apps software.
Audio
Depending on the current audio source,
different options will be available.
Touch and the following may display:
.Tone Settings: Touch to adjust Equalizer,
Fade/Balance, or Sound Mode. See
“Infotainment System Sound Menu” in
AM-FM Radio 0126.
.Auto Volume: This feature adjusts the
volume based on the vehicle speed.
Touch Off, Low, Medium-Low, Medium,
Medium-High, or High.
.Manage Favorites: Touch to display a list
of Audio, Mobile Devices, and Navigation
favorites.
Favorites can be moved, renamed,
or deleted.
To move, touch and hold the favorite, and
then drag up or down to rearrange the
position.
.Set Number of Audio Favorites: Touch to
select how many favorites pages can be
viewed from the audio application. The Auto setting will automatically adjust this
number based on the number of favorites
you have saved. Touch Auto, 5, 10, 15, 20,
25, 30, 35, or 40.
.RDS: This allows the Radio Data System
(RDS) to be turned on or off.
Touch the controls on the infotainment
display to disable or enable.
.HD Radio: This allows HD Radio reception
to be turned on or off.
Touch the controls on the infotainment
display to disable or enable.
.Explicit Content Filter: This setting allows
access to explicit content SiriusXM
channels.
Touch Off or On.
.Manage Devices: Select to connect to a
different phone source, disconnect a
phone, or delete a phone.
.Reset Music Index: This allows the music
index to be reset if you are having
difficulty accessing all of the media
content on your device.
Touch Yes or No.
Climate
If equipped, touch and the following may
display:
.Auto Fan Speed: This setting specifies the
amount of airflow when the climate
control fan setting is Auto Fan.
Touch Low, Medium, or High.
.Auto Defog: This setting automatically
turns the front defogger on when the
vehicle engine is started.
Touch the controls on the infotainment
display to disable or enable.
.Auto Rear Defog: This setting
automatically turns the rear window
defogger on when the vehicle engine is
started.
Touch the controls on the infotainment
display to disable or enable.
Navigation
Touch and the following may display:
.Set Up My Places
.Map Preferences
.Route Preferences
.Navigation Voice Control
.Traffic Preferences
.Alert Preferences
.Manage History
.About
See Using the Navigation System 0134.

Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
14400528) - 2021 - CRC - 11/7/19
326 Service and Maintenance
Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can be obtained from your dealer.Part GM Part NumberACDelco Part Number
Engine Air Cleaner/Filter 42712666A3251C
Engine Oil Filter 1.2L L3 Gas Engine 12696048PF64
1.3L L3 Gas Engine 55495105PF66
Passenger Compartment Air Filter 13508023CF185
Spark Plugs 1.2L L3 Gas Engine 1268354141-156
1.3L L3 Gas Engine 1268809441-106-IP
Wiper Blades Driver Side –60.0 cm (24 in) 42709511—
Passenger Side –45.0 cm (18 in) 42709513—
Rear –30.0 cm (12 in) 42709516—