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Black plate (23,1)
Buick Regal Owner Manual - 2012
Driving and Operating 9-23
The Engine Will Restart When:
.
The brake pedal is released.
.
The accelerator pedal is applied.
.
Shifting out of D(Drive) to any
other gear.
.
If eco air conditioning is
selected, the duration of the auto
stop will depend on the outside
temperature. This economy
mode improves fuel economy by
limiting the effects of the air
conditioning. The warmer it is
outside, the shorter the time
before the engine is restarted to
provide cabin cooling.
.
The climate control system is
turned from off to normal air
conditioning or defrost. See Dual
Automatic Climate Control
System on page 8�3 for more
information.
.
The engine is required to run for
either heater or climate control
performance. See Dual
Automatic Climate Control
System on page 8�3 for more
information.
.
The high voltage battery pack
charge is low and requires
recharging.
.
Auto stop time is greater than
two minutes.
.
The hood is opened.
Engine Heater
The engine coolant heater,
if available, can help in cold weather
conditions at or below −18°C (0°F)
for easier starting and better fuel
economy during engine warm-up.
Plug in the coolant heater at least
four hours before starting the
vehicle. An internal thermostat in
the plug-end of the cord will prevent
engine coolant heater operation at
temperatures above −18°C (0°F).