Buick Regal 2018-2025 Owners Manual / Climate Controls
Buick Regal: Climate Controls
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Dual Automatic Climate
Control System
The climate control buttons on the center stack and on the climate control
display are used to adjust the heating, cooling, and ventilation.
Center Stack Climate Controls
Driver and Passenger
Temp
Climate Control Status Display
The climate control status display
appears briefly when the center
stack climate controls are adjusted.
The air delivery mode can be
adjusted on the climate control
display.
Climate Control Influenc
SEE MORE:
DTC P0556, P0557, or P0558
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Refer to Diagnostic Procedure Instructions for an overview of each
diagnostic category.
DTC Descripto
Cylinder Head Removal
Special Tools
EN 38188 Cylinder Head Broken Bolt Extractor Kit - or equivalent aftermarket
tool
For equivalent regional tools, refer to Special Tools.
1.
Remove and discard the cylinder head bolts (1).
CAUTION: In order to prevent damage to the valves and injectors during
cylinder head
removal,
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