Mazda 3 Owner's Manual page 136

NOTE
The cooling fan in the engine
compartment could turn on for a few
minutes after the ignition is switched
from ON to OFF, whether or not the
A/C is on or off, to cool the engine
compartment quickly.
When the push button start is pressed
from ON to ACC or OFF, the KEY
indicator light (green) may fl ash for
approximately 30 seconds indicating
that the remaining battery power of the
key is low.
Replace with a new battery before the
key becomes unusable.
Refer to Battery Replacement on page
6-39 .
(Automatic transaxle)
If the engine is turned off while the
selector lever is in a position other than
P, the ignition switches to ACC.
Emergency Engine Stop
Continuously pressing the push button
start or quickly pressing it any number of
times while the engine is running or the
vehicle is being driven will turn the engine
off immediately. The ignition switches to
ACC.
When Driving
Start/Stop Engine
4–11