Vehicle Messages - Chevrolet 4500 HD 2023 Manual

Differential Gear Oil and Power Steering
Fluid: Initial value: 48,000 km (30,000 mi).
Adjustable minimum value: 32,000 km
(20,000 mi). Adjustable maximum value:
48,000 km (30,000 mi).
Tire Rotation: Initial value: OFF. Adjustable
minimum value: 6,000 km (4,000 mi).
Adjustable maximum value: 62,000 km
(39,000 mi).
Starter Indicator Light : On the DIC, go to
the starter indicator light. Enter the
resetting screen by pressing and holding the
DIC selector for more than ten seconds.
Complete the resetting by pressing and
holding the DIC selector for more than ten
seconds.
If you want to cancel the setting procedure,
press the DIC selector once. The display will
go back to the previous screen.
ACC/LDWS Indicator
Displays the selected following distance,
detected vehicle status and/or LDWS.
See Adaptive Cruise Control 0 195.
See Lane Departure Warning (LDW) 0 217.

Vehicle Messages

The Driver Information Center (DIC) will
display warnings, messages, and other
operation-related information to alert of
system failures or other necessary checks
that should be performed. Use the DIC
selector to choose the desired screen page
or function.
Engine Overheat Warning Light
OVERHEAT
This message displays and a warning light
appears when the engine has overheated
and the engine coolant temperature gauge
needle reaches the red zone. At the same
time a buzzer sounds. Immediately pull off
to a safe place to take the necessary actions
and check the vehicle. Do not shut down an
overheating engine immediately. Otherwise,
the engine may seize up. Take appropriate
actions for engine overheating.
Instruments and Controls
This light will also activate the engine alarm
and automatic shutdown system,
if equipped.
See Engine Alarm and Automatic Shutdown
0 142, Engine Overheating 0 254, Engine
Coolant 0 250, and Engine Coolant
Temperature Gauge 0 52.
{
Warning
When the engine coolant is still hot, do
not remove the radiator cap. Hot vapor
will come out and you may be scalded.
Add engine coolant only when the engine
coolant temperature has dropped.
If this light comes on and stays on while
you are driving, your engine coolant
might have overheated and your engine
may be too hot. You should pull off the
road, stop your vehicle and take
appropriate actions for engine
overheating.
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