Mazda 3 Owner's Manual page 159

NOTE
If any one of the following occurs, the length of time the engine is stopped
automatically could be shorter or the length of time required before i-stop functions
again could be longer.
The ambient temperature is high or low.
The battery power is depleted.
The power consumption of vehicle equipment is high.
The i-stop function does not operate when the ambient temperature is extremely high
or low.
The engine may not stop automatically for a while after the battery leads are
reconnected after temporarily disconnecting them. In addition, if the battery is
replaced, the i-stop system will need to be reset and checked to make sure it operates
correctly. When replacing the battery, consult an expert repairer, we recommend an
Authorised Mazda Repairer.
i-stop OFF Switch
The i-stop function can be turned off by
pressing the switch until the beep sounds
and the i-stop warning light (amber) in the
instrument cluster illuminates. The i-stop
function can be turned back on by pressing
the switch again until the beep sounds and
the i-stop warning light (amber) turns off.
Start/Stop Engine
NOTE
If the i-stop function was turned off
using the i-stop OFF switch, the system
will resume operation the next time the
engine is started.
When Driving
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