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Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12146162) - 2019 - crc - 11/26/18
In Brief 23
E85 or FlexFuel
FlexFuel Possible
Certain models are compatible with
E85 fuel. SeeE85 or FlexFuel
0 207.
Engine Oil Life System
The engine oil life system calculates
engine oil life based on vehicle use
and displays the CHANGE ENGINE
OIL SOON message when it is time
to change the engine oil and filter.
The oil life system should be reset
to 100% only following an oil
change.
Resetting the Oil Life System
1. Display the OIL LIFE REMAINING on the DIC. See
Driver Information Center (DIC)
0114. 2. Press and hold
Von the DIC
while the Oil Life display is
active. The oil life will change
to 100%.
The oil life system can also be reset
as follows:
1. Display the OIL LIFE REMAINING on the DIC. See
Driver Information Center (DIC)
0114.
2. Fully press and release the accelerator pedal three times
within five seconds. If the
display shows 100%, the
system is reset.
See Engine Oil Life System 0237.
Driving for Better Fuel
Economy
Driving habits can affect fuel
mileage. Here are some driving tips
to get the best fuel economy
possible:
.
Set the climate controls to the
desired temperature after the
engine is started, or turn them
off when not required. .
Avoid fast starts and accelerate
smoothly.
. Brake gradually and avoid
abrupt stops.
. Avoid idling the engine for long
periods of time.
. When road and weather
conditions are appropriate, use
cruise control.
. Always follow posted speed
limits or drive more slowly when
conditions require.
. Keep vehicle tires properly
inflated.
. Combine several trips into a
single trip.
. Replace the vehicle's tires with
the same TPC Spec number
molded into the tire's sidewall
near the size.
. Follow recommended scheduled
maintenance.
Page 118 of 373

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12146162) - 2019 - crc - 11/26/18
Instruments and Controls 117
To stop the timer, pressVbriefly
while TIMER is displayed.
To reset the timer to zero, press and
hold
Vwhile TIMER is displayed.
Average Speed
Press
3until AVERAGE SPEED
displays. This display shows the
average speed of the vehicle in
kilometers per hour (km/h) or miles
per hour (mph). This average is
calculated based on the various
vehicle speeds recorded since the
last reset of this value. To reset the
value, press and hold
V. The
display will return to zero.
Digital Tachometer
Press
3until
Tachometer ##00 RPM displays.
This display shows the engine
speed in revolutions per
minute (RPM).
Blank Display
This display shows no information.
Vehicle Information Menu
Items
T: Press this button to scroll
through the following menu items:
Oil Life
Press
Tuntil OIL LIFE
REMAINING displays. This display
shows an estimate of the oil's
remaining useful life. If you see
99% OIL LIFE REMAINING on the
display, that means 99% of the
current oil life remains. The engine
oil life system will alert you to
change the oil on a schedule
consistent with your driving
conditions.
When the remaining oil life is low,
the CHANGE ENGINE OIL SOON
message will appear on the display.
You should change the oil as soon
as possible. See Engine Oil0235.
In addition to the engine oil life
system monitoring the oil life,
additional maintenance is
recommended. See Maintenance
Schedule 0319. Remember, you must reset the OIL
LIFE yourself after each oil change.
It will not reset itself. Also, be
careful not to reset the OIL LIFE
accidentally 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, see
Engine
Oil Life System 0237.
Side Blind Zone Alert
If the vehicle has Side Blind Zone
Alert (SBZA), this display allows the
system to be turned on or off. Press
Tuntil SBZA displays. Once in
this display, press
Vto select
between ON or OFF. When the
SBZA system is turned off, a DIC
message will display. See Side
Blind Zone Alert (SBZA) 0202.
Park Assist
If the vehicle has the Rear Park
Assist (RPA) system, press
Tuntil
PARK ASSIST displays. This
display allows the system to be
turned on or off. Once in this
display, press to select between ON
Page 320 of 373

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12146162) - 2019 - crc - 11/26/18
Service and Maintenance 319
Maintenance
Schedule
Owner Checks and Services
At Each Fuel Stop
.Check the engine oil level. See
Engine Oil 0235.
Once a Month
. Check the tire inflation
pressures, including the spare.
See Tire Pressure 0278.
. Inspect the tires for wear. See
Tire Inspection 0283.
. Check the windshield washer
fluid level. See Washer Fluid
0 250.
Engine Oil Change
When the CHANGE ENGINE OIL
SOON message displays, have the
engine oil and filter changed within
the next 1 000 km/600 mi. If driven
under the best conditions, the
engine oil life system may not
indicate the need for vehicle service
for up to a year. The engine oil and filter must be changed at least once
a year and the oil life system must
be reset. Your trained dealer
technician can perform this work.
If the engine oil life system is reset
accidentally, service the vehicle
within 5 000 km/3,000 mi since the
last service. Reset the oil life
system when the oil is changed.
See
Engine Oil Life System 0237.
Power Take Off (PTO) and
Extended Idle Use
When the vehicle is used with the
PTO equipment or used in a way
that requires extended idle time,
one hour of use shall be deemed
the same as 53 km (33 mi). See
Driver Information Center (DIC)
0114 for hourmeter.
Air Conditioning Desiccant
(Replace Every Seven Years)
The air conditioning system requires
maintenance every seven years.
This service requires replacement of
the desiccant to help the longevity
and efficient operation of the air
conditioning system. This service
can be complex. See your dealer.
Tire Rotation and Required
Services Every 12 000 km/
7,500 mi
Rotate the tires, if recommended for
the vehicle, and perform the
following services. See Tire
Rotation 0283.
. Check engine oil level and oil
life percentage. If needed,
change engine oil and filter, and
reset oil life system.
See Engine Oil 0235 and
Engine Oil Life System 0237.
. Check engine coolant level. See
Cooling System 0244.
. Check windshield washer fluid
level. See Washer Fluid 0250.
. Check tire inflation pressures,
including the spare. See Tire
Pressure 0278.
. Inspect tire wear. See Tire
Inspection 0283.
. Visually check for fluid leaks.
. Inspect engine air cleaner filter.
See Engine Air Cleaner/Filter
0 242.