Chevrolet 2013 Malibu Owner's Manual page 236

9-20 Driving and Operating
AUTO STOP on the tachometer
signifies that the engine is in auto
stop mode. See Tachometer on
page 5 10. When the vehicle is
turned off, the tachometer will move
to OFF. If the driver door is opened
while in auto stop mode, a chime
will sound.
There are several conditions that
may prevent an auto stop or cause
an auto start.
The Engine Will Remain
Running When:
The engine, transmission,
or high voltage battery is not
warmed up yet.
The outside temperature is less
than 20°C ( 4°F).
The air conditioning or defrost
system need the compressor
to maintain vehicle comfort.
See Dual Automatic Climate
Control System on page 8 3.
The warmer it is outside, the
shorter the time before the
engine is restarted to provide
cabin cooling. To maximize fuel
economy, use the eco air
conditioning mode.
The shift lever is in P (Park),
N (Neutral), R (Reverse),
or M (Manual Mode).
The high voltage battery pack
charge is low.
The hood is not fully closed.
Brake pedal pressure is low.
The malfunction indicator lamp is
on; auto stop may be prevented.
High humidity is detected.
The Engine Will Restart When:
The brake pedal is released.
The accelerator pedal is applied.
Shifting out of D (Drive) to any
other gear.
The air conditioning or defrost
system need the compressor to
maintain vehicle comfort. See
Dual Automatic Climate Control
System on page 8 3. The
warmer it is outside, the shorter
the time before the engine is
restarted to provide cabin
cooling. To maximize fuel
economy, use the eco air
conditioning mode.
The climate control system is
turned from off to normal air
conditioning or defrost. See Dual
Automatic Climate Control
System on page 8 3.
The engine is required to run for
either heater or climate control
performance. See Dual
Automatic Climate Control
System on page 8 3.
The high voltage battery pack
charge is low and requires
recharging.
Auto stop time is greater than
two minutes.
The hood is opened.