VOLKSWAGEN JETTA HYBRID 2015 1B / 6.G Owners Manual

Driving situa-
tions
Requirements and
conditions Vehicle behavior
Constant driving
and
gliding without
engine on (sail-
ing).
– Think ahead when
driving, with careful
acceleration.
The kinetic energy of the vehi-
cle is used optimally for its
motion ahead. No energy is
lost through excessive accel-
eration or braking.
– Reduce speed early
or completely in case
of obstacles or speed
limits.
By easing off the accelerator
completely, the combustion
engine is automatically
switched off and disconnected.
The vehicle glides (sails) with-
out engine power, and friction
losses are minimized.
Full acceleration
(Boost).
– Selector lever in
position D.
Accelerator fully de-
pressed or kick-down
acceleration activat-
ed.
The electric motor assists the
combustion engine in accelera-
tion. The maximum overall
output is used briefly
– Selector lever in
position S or
Tiptronic:
accelerator is de-
pressed to 80%.
Braking energy
regeneration
(Recuperation).
– Early and even
braking with short
brake pedal travel.
The vehicle is braked by the
electric motor. Most of the
kinetic energy is then won
back and can be stored in the
form of electrical energy in the
high-voltage battery
Driving in city
traffic.
– Select a moderate
speed.
Driving in fully electric mode at
this level is possible with a
constant speed of up to about
37 mph (60 km/h) on a flat
road surface.

Driving situa-
tions
Requirements and
conditions Vehicle behavior
– Avoid full accelera-
tion.
The fuel consumption is re-
duced with moderate accelera-
tion due to higher efficiency of
the combustion engine and
driving in fully electric mode is
possible.
– Careful use of the
%

Driving situa-
tions
Requirements and
conditions Vehicle behavior
Driving in cold
months.
– Do not warm up the
combustion engine by
running it with the
vehicle stationary.
The temperature of the com-
bustion engine increases very
slowly, but fuel consumption
increases considerably.
– Careful use of heat-
ing for the rear win-
dow, outside mirror,
and front seats.
This prevents energy loss and
saves energy for the electric
motor.
– Leave the vehicle in
a garage overnight.
This prevents the high-voltage
battery and the vehicle interior
from cooling down too much.
The optimal temperature of the
high-voltage battery is reached
quicker at the beginning of the
journey and the combustion
engine can be switched off
quicker when the vehicle inte-
rior is sufficiently heated.

Hybrid functions and modes

Fig. 123 In the lower center console: %

Fig. 124 Hybrid menu in the instrument cluster display: Current electric power level.

The combustion engine starts and interrupts full electro-mode drive if the first condition changes or the driver accelerates too heavily. The symbol %

Energy regeneration is shown in the instrument cluster display or on the Infotainment System screen. The combustion engine may be switched off automatically in this situation. The instrument cluster powermeter registers below zero.
When the high voltage battery is fully charged, there is no brake energy recuperation, and therefore no engine braking. Recuperation and engine braking are also automatically reduced if the vehicle detects that the road conditions do not permit sufficient contact between the wheels and the road surface.
Start-Stop mode
The combustion engine is operated only as needed. When the vehicle is stopped the combustion engine is normally off. The vehicle electrical systems are supplied with power from the high-voltage battery. The instrument cluster powermeter shows zero.
This dependant on vehicle conditions feature of the hybrid drive system is normal and is designed to save fuel. The power steering, braking assistance, and air conditioning systems remain active. In certain situations it may be necessary for the system to start the combustion engine even when the vehicle is not moving. With prolonged driving in traffic jams, the combustion engine will be switched on and off to charge the high-voltage battery for the following start-stop phase.
Sailing
If the accelerator is not depressed and the lever is in position D, the combustion engine is switched off, even at higher speeds. The vehicle then decelerates slower than conventional vehicles. This feature can be used to help reduce fuel consumption when you keep traffic conditions in mind and can antici-pate the vehicle's power requirements. The instrument cluster powermeter shows zero.
WARNING
Rapid acceleration can cause loss of traction and skidding, particularly on slippery roads. This can cause you to lose control of the vehicle, which can lead to accidents and serious injuries.
x Always adjust your driving style in accordance with the flow of traffic.
x Only use kickdown or fast acceleration if permitted by visibility, weather, road and traffic conditions, and if other road users are not put at risk due to the acceleration and the driving style.
High-voltage battery

Fig. 125 Location of the high-voltage battery: Under the luggage compartment floor.

Fig. 126 Air ventilation for the high-voltage battery under the rear seat bench.

NOTICE
x Failure to heed warning lights or text WARNINGS can result in vehicle damage.
x If the 12 Volt battery is disconnected or dead or has been replaced, there is a possibility that the combustion engine will not automatically switch off when the vehicle is powered by the electric motor. If this situation persists for several days, take the vehicle to an authorized Volkswagen dealer or an authorized Volkswagen Service Facility that is qualified to do work on hybrid vehicles.
x Never transport water or other liquids or fluids in open containers, such as an aquarium. If liquid is spilled in the luggage compartment, this can cause short circuits or damage the high-voltage battery.
NOTICE
Never block or cover the cooling air vents for the high-voltage hybrid battery under the rear seat. Blocking or covering these vents can damage the high-voltage battery.
NOTICE
If the vehicle is not used for a longer period, the high-voltage battery will run down. To keep the high-voltage battery in good condition, the vehicle needs to be driven at least every 2 months for at least 30 minutes or 15 miles (20 km).
x If the high-voltage battery is dead, the gasoline engine will not start. Contact an authorized Volkswagen dealer, an authorized Volkswagen Service Facility, or another qualified workshop for assistance.

Hybrid options in the Infotainment System

Energy flow display

Fig. 127 Energy flow display. A: Instrument cluster. B: Infotainment System.