Bedienungsanleitung Cupra Leon e-HYBRID - 2022 (Seite 340 von 399) (Englisch)

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Checking and relling levels

Battery diagnosis

The battery diagnosis function constantly reg-

isters the condition of the battery. Sensors de-

tect the battery voltage, battery current and

battery temperature. This enables the system

to calculate the current power level and charge

condition of the battery.

Residual current management

The residual current management reduces

power consumption while the vehicle is

parked. It controls the supply of power to the

various electrical devices while the ignition is

switched o. The system takes the battery di-

agnosis data into consideration.

Depending on the power level of the battery,

switch o the individual electrical devices one

after the other to prevent the battery from los-

ing too much charge and to ensure that the

engine can be started reliably.

Dynamic power management

While the vehicle is moving, this function dis-

tributes the available power to the various

electrical devices and systems according to

their requirements. The power management

ensures that on-board systems do not con-

sume more electrical power than the alterna-

tor can supply, and thus maintains the maxi-

mum possible battery power level.

Note

● Neither is the power management system

able to overcome the given physical limits.

Please remember that the power and useful

life of the battery are limited.

●When there is a risk that the vehicle will not

start, the alternator power failure or low bat-

tery charge level warning lamp will be shown

›››page335.

Flat battery

Starting ability has rst priority. Short trips, city

traic and low temperatures all place a heavy

load on the battery.

In these conditions a large amount of power

is consumed, but only a small amount is sup-

plied. The situation is also critical if electrical

devices are in use when the engine is not run-

ning. In this case power is consumed when

none is being generated.

In these situations you will be aware that the

power management system is intervening to

control the distribution of electrical power.

When the vehicle is parked for long periods

If you do not drive your vehicle for a period of

several days or weeks, the power management

will gradually shut o the electrical devices

one by one or reduce the amount of current

they are using. This limits the amount of power

consumed and helps to ensure reliable starting

even after a long period. Some convenience

functions, such as remote vehicle opening,

may not be available under certain circumstan-

ces. These functions will be restored when you

switch on the ignition and start the engine.

With the engine switched o

For example, if you listen to the sound system

with the engine switched o the battery will

run down.

If the energy consumption means there is a

risk that the engine will not start, a text will be

displayed in vehicles with a driver information

system.

This driver indicator tells you that you must

start the engine so that the battery can re-

charge.

When the engine is running

Although the alternator generates electrical

power, the battery can still become discharged

while the vehicle is being driven. This can oc-

cur when a lot of power is being consumed but

only a small amount supplied, especially if the

battery is not fully charged initially.

To restore the necessary energy balance, the

system will then temporarily shut o the elec-

trical devices that are using a lot of power, or

reduce the current they are consuming. Heat-

ing systems in particular use a large amount

of electrical power. If you notice, for instance,

that the seat heating or the rear window heater

is not working, they may have been tempora-

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