2012 BUICK REGAL climate control

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Page 3 of 16

BUICK REGAL 2012 Get To Know Guide 3
Refer to your Owner Manual to learn about the information being relayed by the lights
and gauges of the instrument cluster, as well as what to do to ensure safety and prevent
damage to your vehicle.

Page 7 of 16

BUICK REGAL 2012 Get To Know Guide 7
Climate Controls
Air
Conditioning
Control
Driver’s
Temperature
ControlDriver’s
Heated Seat
ControlAir Delivery
Floor ModeAir Delivery
Vent Mode
Recirculation
ModeDecrease
Fan
Speed/OffIncrease F

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BUICK REGAL 2012 Get To Know Guide 14
eAssist Overview (if equipped)
A compact electric drive system called eAssist has been integrated with the highly efficient
2.4-liter four-cylinder engine and six-speed automatic transmission to pr

14
eAssist Overview (if equipped)
A compact electric drive system called eAssist has been integrated with the highly efficient
2.4-liter four-cylinder engine and six-speed automatic transmission to provide an electric
“boost” to help conserve fuel. eAssist includes a small, but powerful, electric motor rated
at 15 kilowatts. It replaces the typical alternator found on most engines. eAssist also uses
a small, advanced 115-volt lithium-ion battery located in the trunk.
eAssist Features
Your Regal with eAssist has several features that increase vehicle efficiency and maximize
fuel economy.
When braking or coasting, the electric motor acts like a generator to charge the high-
voltage battery. This “regenerative braking” process captures kinetic energy that would
otherwise be lost and stores it in the high-voltage battery. This electrical energy can then
be reused.
Note: THE REGENERATIVE BRAKING PROCESS REQUIRES UNIQUE TRANSMISSION
SHIFTING AS THE VEHICLE SLOWS DOWN.
When the vehicle comes to a stop, the engine may turn off automatically, saving fuel that
would otherwise be used while idling. This is called an Auto Stop. The vehicle is powered
by the high-voltage battery.
Note: THE eASSIST FEATURES OF THE VEHICLE ARE ENABLED AFTER THE ENGINE
REACHES OPERATING TEMPERATURE.
Auto Start/Stop
While driving, when the brake is applied and the vehicle comes to a complete stop, the
automatic engine start/stop system may turn off the engine, referred to as an Auto Stop. In
Auto Stop mode, the tachometer gauge will read AUTO STOP. The audio system, climate
controls and other accessories will be powered by the high-voltage battery. The engine will
restart immediately when the brake pedal is released or the accelerator pedal is applied.
After parking the vehicle and turning off the engine using the key or START/STOP
button✦, the tachometer gauge will read OFF.
Auto Start/Stop Conditions
There are several conditions that may cause the engine to remain running or restart when
the vehicle is stopped.
• The engine, transmission or high voltage battery is not warmed up.
• The outside temperature is less than –4°F (–20°C).
• The shift lever is in any gear other than Drive (D).
• The high-voltage battery state of charge is low.
• The climate control system requires the engine to run based on the climate control or
defog setting. Using the eco Air Conditioning mode will result in more frequent and
longer Auto Stops than the Comfort Air Conditioning mode.
• The Auto Stop time is greater than two minutes.
See Driving and Operating in your Owner Manual.

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BUICK REGAL 2012 Get To Know Guide Power Flow Display
The Power Flow display, located
on the instrument panel’s Driver
Information Center or on the audio
system color display (if equipped),
indicates the energy flow direction,
the

Power Flow Display
The Power Flow display, located
on the instrument panel’s Driver
Information Center or on the audio
system color display (if equipped),
indicates the energy flow direction,
the high-voltage battery charge
level, and the current eAssist oper-
ating mode. These modes include:
• Engine Idle – The vehicle is
stopped and the engine is
running.
• Auto Stop – The vehicle is stopped, the engine has been automatically turned off and is
ready to automatically restart when needed.
• Engine Power – The engine is providing the primary drive power for the vehicle.
• Hybrid Power – The eAssist electric motor is providing significant electrical assist to
the engine.
• Battery Charging – The eAssist electric motor is charging the high-voltage battery while
the vehicle is slowing down.
See Instruments and Controls in your Owner Manual.
Driver Efficiency Gauge
The efficiency gauge assists you in driving efficiently. To maximize efficiency, attempt to
keep the pointer in the solid green zone in the middle of the gauge. The gauge moves to
the left when braking and to the right when accelerating. When either is done aggressively,
it is less efficient and the gauge will move further away from the center. The eAssist
system’s ability to capture energy while the vehicle is slowing down makes decelerating
very important for efficiency.
See Instruments and Controls in your Owner Manual.
Climate Control Settings
• Press the Air Conditioningbutton until the button indicator is green to select the
eco air conditioning setting for maximum efficiency. This setting will maximize the
frequency and duration of Auto Stops while still providing cabin comfort when the
vehicle is in an Auto Stop.
• Press the Air Conditioningbutton until the button indicator is blue to select the
comfort air conditioning setting for maximum cabin comfort. Auto Stops will be reduced
in both frequency and duration.
See Climate Controls in your Owner Manual.
15
eAssist Features

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