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(D Tips
It may be necessary for the gasoline engine to
run longer for tec hnical reasons, such as
when condensation accumu lates in the en-
gine. Driving exclusively in electric mode is
not possible in this phase.
Plug-in hybrid functions
Applies to: vehicles with plug-in hybrid drive
The funct ions descr ibed below act ivate automati-
cally depending on the dr iving sty le.
Full-throttle acceleration (boost)
The boost funct ion is act ivated by pressing the
accelerator pedal farther down (kick-down). The
vehicle is powered by both the gasol ine engine
and the electric motor when in full accelerat ion.
Boost is on ly availab le for a sho rt time , because it
uses a lar ge amou nt of energy. Availabili ty de-
pends on the high-voltage battery charge level.
Coasting
The gasoline engine switches off and disengages
at speeds up to approximate ly 1 12 mph
(180 km/h) if the accelerator pedal is not press-
Tips for efficient driving
Applies to: vehicles with plug-in hybrid drive
Driving situations Conditions
e-tron
ed and the "D" position is selected. Driving con -
servative ly like this can reduce fuel consumption .
Energy recovery (recuperation)
When brak ing, t he e lectr ic moto r will act as a
generato r creat ing elect ric energy that is then
stored in the hig h-voltage battery. This also oc-
curs when the vehicle is coasting or driving down -
hill .
If the brakes are applied early and even ly, the
electric motor will brake the vehicle @
¢ page 95, fig. 98. By doing this, a large amount
of the kinetic energy is recovered and may be
stored as electric energy in the high-voltage bat-
tery . The conventional brakes are also activated
when the brakes are pressed very hard.
The strength of recuperation can depend on the
following factors:
- If you are in tiptronic mode ¢
page 88. Or
- If the sport dr iving mode "S" was se lected.
The energy recovery is shown in the energy flow
display in the instrument cluster display/Info-
ta inment system
¢ page 100.
Vehicle behavior
- Cautious driving and reserved ac - The kinetic energy of the vehicle is used to
ce leration . move the vehicle.
Constant driving and
- Release the accelerator pedal The gasoline engine turns off automati-
coasting (glid ing)
early and entirely. cally and disengages when you release the
accelerator pedal completely . The veh icle
glides w it hout being propelled .
- Brake early and evenly with short The electric motor brakes the vehicle. By
Energy recove ry (re-
pedal movements. doing this, a large amount of the kinetic
energy is recovered and may be stored in
cu perat ion)
the high-voltage battery in the form of
electr ic energy .
Driving in city traffic
- Accelerate moderately and brake The kinetic energy of the ve hicle is used to
early and evenly
move the vehicle.
99
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