Chevrolet Trailblazer Owner Manual (GMNA-Localizing-U.S./Canada-
16263960) - 2023 - CRC - 2/23/22
248
Vehicle Care
The oil life system can also be reset as
follows:
1. Display remaining OIL LIFE on the DIC
with the engine off. See
Information Center (DIC) (Base Level)
or
Driver Information Center (DIC) (Uplevel)
2. Fully press and release the accelerator
pedal three times within five seconds.
3. If the display changes to 100%, the
system is reset
If the CHANGE ENGINE OIL SOON message
comes back on when the vehicle is started,
the engine oil life system has not been
reset. Repeat the procedure.
Automatic Transmission Fluid
How to Check Automatic Transmission
Fluid
It is not necessary to check the transmission
fluid level. A transmission fluid leak is the
only reason for fluid loss. If a leak occurs,
take the vehicle to your dealer and have it
repaired as soon as possible.
There is a special procedure for checking and
changing the transmission fluid. Because this
procedure is difficult, you should have this
done at your dealer.
Change the fluid at the intervals listed in
, and be sure to
use the fluid listed in
Engine Air Filter Life System
It equipped, this feature provides the engine
air filter
’
s remaining life and best timing for
a change. The timing to change an engine
air filter depends on driving and
environmental conditions.
When to Change the Engine Air Filter
When the Driver Information Center (DIC)
displays a message to replace the engine air
filter at the next oil change, follow this
timing.
When the DIC displays a message to replace
the engine air filter soon, replace the engine
air filter at the earliest convenience.
The system must be reset after the engine
air filter is changed.
If the DIC displays a message to check the
engine air filter system, see your dealer.
How to Reset the Engine Air Filter Life
System
To reset:
1. Place the vehicle in P (Park).
2. Select Air Filter Life on the DIC menu.
See
Driver Information Center (DIC) (Base
or
Driver Information Center (DIC) (Uplevel)
3. Press
l
or the thumbwheel to move to
the Reset/Disable display area. Select
Reset then press
l
or press the
thumbwheel for several seconds.
4. Press
l
or the thumbwheel to confirm
the reset.
Engine Air Cleaner/Filter
The engine air cleaner/filter is in the engine
compartment on the passenger side of the
vehicle. See