Buick Regal 2018-2026 Owners Manual
Buick Regal 2018-2026 Owners Manual
Owner's Manual for sixth generation Buick Regal. This manual describes features that
may or may not be on the vehicle
because of optional equipment that
was not purchased on the vehicle,
model variants, country
specifications, features/applications
that may not be available in your
region, or changes subsequent to
the printing of this owner’s manual.

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The names, logos, emblems,
slogans, vehicle model names, and
vehicle body designs appearing in
this manual including, but not limited
to, GM, the GM logo, BUICK, the
BUICK Emblem, and REGAL are
trade
Instrument Panel Overview
Air Vents
Turn and Lane-Change Signals
Instrument Cluster
Driver Information Center (DIC)
Display
Windshield Wiper/Washer
Hazard Warning Flashers
Light Sensor
In
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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.
Diagnostic Procedure Instructions provides an overview of each
diagnostic category.
DTC Descriptor
DT
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,