BMW Saloon 3 Series Owner's Handbook Manual page 143

Safety function
After an automatic shut down, the engine will not
restart automatically, if one of the following con‐
ditions is met:
▷ Driver's seat belt unbuckled and driver's door
open.
▷ Bonnet has been unlocked.
Several indicator lamps illuminate for various
lengths of time.
The engine can only be started using the start/
stop button.
System limits
Even if you do not want to drive off, the engine
restarts automatically in the following situations:
▷ Very high temperature in the interior when
the cooling function is switched on.
▷ Very low temperature in the interior when the
heating is switched on.
▷ Where there is a risk of condensation when
the automatic air conditioning is switched on.
▷ The driver applies lock to the steering wheel.
▷ Steptronic transmission:
Shift from selector lever position D to N or R.
▷ Steptronic transmission:
Shift from selector lever position P to N, D or
R.
▷ Vehicle battery is heavily discharged.
▷ Start of an oil level measurement.
Intelligent Auto Start Stop
function
Depending on the equipment version and coun‐
try version, the vehicle has various sensors to re‐
cord the traffic situation. This enables the intelli‐
gent Auto Start Stop function to adapt to various
traffic situations and, where necessary, behave in
an anticipatory manner.
For example, in the following situations:
▷ If a situation is detected in which the duration
of the stop is likely to be very short, the en‐
Online Edition for Part no. xxx - VI/19
Driving
gine is not stopped automatically. Depending
on the situation, a message is shown on the
Control Display.
▷ If a situation is detected in which the vehicle
should drive off immediately, the stopped en‐
gine is started automatically.
The function may be limited if the navigation data
is invalid, outdated or not available, for example.
Manually deactivating/activating
the system
Principle
The engine is not switched off automatically.
During an automatic engine stop, the engine is
started.
Using the button
Press the button.
Steptronic transmission: via
selector lever position
The Auto Start Stop function is also deactivated
in selector lever position M/S.
Via the Driving Experience Control
The Auto Start Stop function is also deactivated
in the SPORT drive mode of the Driving Experi‐
ence Control.
CONTROLS
143