Buick Regal 2018-2024 Owners Manual / In Brief / Performance and Maintenance
Buick Regal: Performance and Maintenance
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Traction Control/Electronic
Stability Control
The Traction Control System (TCS)
limits wheel slip. The system turns
on automatically every time the
vehicle is started.
The StabiliTrak system assists with
directional control of the vehicle in
dif
Fuel (2.0L Turbo Engine)
Premium Recommended Fuel
Use premium 93 octane unleaded
gasoline in your vehicle. Unleaded
gasoline with an octane rating as
low as 87 may be used, but it will
reduce performance and fuel
economy.
Fu
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 sho
SEE MORE:
DTC B1446 or B1447 (IOR/IOS/IOT)
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
Antilock Brake System Automated Bleed
WARNING: Refer to Brake Fluid Irritant Warning.
CAUTION: Refer to Brake Fluid Effects on Paint and Electrical
Components Caution.
NOTE: Before performing the ABS Automated Bleed Procedure, first
perform a
pressure bleed of the base brake system. Refer to Hydraulic Brake
System Bleeding (Pressure)
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