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EnglishClimate Controls -> Maintenance for your Chevrolet Silverado 1500 2018-2025
190
Climate Controls
Remote Start Climate Control Operation :
If equipped with remote start, the climate
control system may run when the vehicle is
started remotely. If equipped with heated or
ventilated seats or a heated steering wheel,
these features may come on during a
remote start. See Remote Vehicle Start 0 18,
Heated and Ventilated Front Seats 0 49, and
Heated Steering Wheel 0 100.
The climate control system uses the sensor
information to adjust the temperature, fan
speed, recirculation, and air delivery mode
for best comfort.
To close the rear A/C vents, move the
sliding knobs to the full inboard position.
Operation Tips
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Clear away any ice, snow, or leaves from
air inlets at the base of the windshield
that could block airflow.
Clear snow off the hood to improve
visibility and help decrease moisture
drawn into the vehicle.
Keep the path under the front seats clear
of objects to help circulate the air inside
of the vehicle more effectively.
Use of non-GM approved hood deflectors
can adversely affect system performance.
Check with your dealer before adding
equipment to the outside of the vehicle.
Do not cover the sensor; otherwise the
automatic climate control system may not
work properly.
Afterblow Feature
If equipped, under certain conditions, the
fan may stay on or may turn on and off
several times after you turn off and lock the
vehicle. This is normal.
Sensors
Air Vents
Use the sliding knobs on the center and side
air vents to change the direction of the
airflow.
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Do not attach any devices to the air vent
slats. Doing so restricts airflow and may
cause damage to the air vents.
Air vents blow warm air on the side
windows in cold weather. If Floor, Defog,
or Defrost modes are selected, a small
amount of air will come from the vents
closest to the window.
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 solar sensor, on top of the instrument
panel near the windshield, monitors the
solar heat.
To close the front A/C vents, move the
sliding knobs to the full down position for
vertical slats or away from you for
horizontal slats.
Climate Controls
191
The filter should be replaced as part of
routine scheduled maintenance. See
Maintenance Schedule 0 417. To find out
what type of filter to use, see Maintenance
Replacement Parts 0 422.
3. Press the sides of the glove box door
inward and rotate the door downward to
remove.
2. Push the dampener arm to the left until
it releases the glove box.
4. Pull lever on left side of the filter door
and slide left, then remove the door.
Remove the old filter.
1. Open the lower glove box door
completely.
5. Install the new air filter.
6. Reinstall the filter door.
7. Reverse the steps to reinstall the
glove box.
See your dealer if additional assistance is
needed.
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Climate Controls
Service
All vehicles have a label underhood that
identifies the refrigerant used in the vehicle.
The refrigerant system should only be
serviced by trained and certified technicians.
The air conditioning evaporator should never
be repaired or replaced by one from a
salvage vehicle. It should only be replaced
by a new evaporator to ensure proper and
safe operation.
During service, all refrigerants should be
reclaimed with proper equipment. Venting
refrigerants directly to the atmosphere is
harmful to the environment and may also
create unsafe conditions based on
inhalation, combustion, frostbite, or other
health-based concerns.
The air conditioning system requires periodic
maintenance. See Maintenance Schedule
0 417.
