BMW 740Ld Bedienungshandbuch PDF herunterladen (Seite 78)

Auto Start/Stop function

The concept

The Auto Start/Stop function helps save fuel.

The system switches off the engine during a

stop, e.g., in traffic congestion or at traffic

lights. The ignition remains switched on. The

engine starts again automatically for driving

off.

Automatic mode

After every start of the engine using the Start/

Stop button, the Auto Start/Stop function is in

the last selected state, refer to page 75.

When the Auto Start/Stop function is active, it

is available when the vehicle is traveling faster

than about 3 mph, approx. 5 km/h.

Engine stop

The engine is switched off automatically dur‐

ing a stop under the following conditions:

Steptronic transmission:

▷ The selector lever is in selector lever posi‐

tion D.

▷ The brake pedal remains pressed while the

vehicle is stationary or the vehicle is held

by Automatic Hold.

▷ The driver's safety belt is buckled or the

driver's door is closed.

The air flow from the air conditioner is reduced

when the engine is switched off.

Displays in the instrument cluster

The display indicates that the

Auto Start/Stop function is

ready for an Automatic engine

start.

The display indicates that the

conditions for an automatic en‐

gine stop have not been met.

Functional limitations

The engine is not switched off automatically in

the following situations:

▷ External temperature too low.

▷ The external temperature is high and auto‐

matic climate control is running.

▷ The car's interior has not yet been heated

or cooled to the required level.

▷ The engine is not yet at operating temper‐

ature.

▷ The wheels are at a sharp angle or the

steering wheel is being turned.

▷ After driving in reverse.

▷ Fogging of the windows when the auto‐

matic climate control is switched on.

▷ Vehicle battery is heavily discharged.

▷ At higher elevations.

▷ The engine compartment lid is unlocked.

▷ HDC Hill Descent Control is activated.

▷ The parking assistant is activated.

▷ Stop-and-go traffic.

▷ The selector lever is in position N, M/S or

R.

▷ Use of fuel with high ethanol content.

Starting the engine

The engine starts automatically under the fol‐

lowing conditions:

▷ Steptronic transmission:

By releasing the brake pedal.

When Automatic Hold is activated: press

the accelerator pedal.

After the engine starts, accelerate as usual.

Safety mode

After the engine switches off automatically, it

will not start again automatically if any one of

the following conditions are met.

▷ The driver's safety belt is unbuckled and

the driver's door is open.

Seite 74

Controls Driving

74

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