2020-2026 Cupra Leon 4 Door Practical tips -> Energy management User Manual
MyCarUserManual.com
USER MANUALS FOR EVERY MAKE & MODEL

Practical tips -> Energy management for Your Cupra Leon 4 Door First Generation (2020-2026)

Practical tips  
Error: the 12 V vehicle battery  
is not charging. Park safely!  
and the vehicle should be jump started  
The 12-volt power supply is limited, maybe  
because the 12 volt battery is discharged or  
not working at full performance. The 12-volt  
battery can be charged while driving. Until  
the warning disappears, you should drive  
with care.  
page 54 or professional assistance should  
be sought.  
›››  
The control lamp lights up RED.  
●
●
Go to a qualified establishment.  
Stop driving! Stop the vehicle at the next  
opportunity and in a safe place.  
Have the electrical system checked.  
The instrument cluster displays a message  
due to a DCDC failure (electrical, mechanical  
or energy balance).  
Low level of the 12 V vehicle  
battery. Charge while driving  
Error: 12V power supply. Visit the  
workshop  
The control lamp lights up YELLOW.  
There is a fault in the 12-volt power supply:  
●
Switch the ignition off and seek professio-  
nal assistance.  
●
●
Go to a qualified establishment.  
Starting capacity may be limited. If this driver  
message goes out after a certain amount of  
time, the vehicle's battery has recharged  
while driving and reached a sufficient level. If  
the driver message does not go out, take the  
vehicle to a specialized workshop.  
Have the electrical system checked.  
Error: 12V power supply. Park  
safely! Check the manual  
Access to the 12 volt battery  
The control lamp lights up RED.  
Stop driving! Stop the vehicle at the next  
opportunity and in a safe place.  
Replace the 12V vehicle battery.  
Go to a workshop  
There is a serious fault in the 12V power sup-  
ply.  
The control lamp lights up YELLOW.  
The 12 volt vehicle battery has almost  
●
●
Go to a qualified establishment.  
reached the end of its useful life. Visit a pro-  
fessional and request an inspection and re-  
placement, if necessary, of the 12-volt vehi-  
Have the electrical system checked.  
Error: 12 V vehicle battery. En-  
cle battery page 329 .  
›››  
gine cannot be started. Visit the  
workshop  
Fig. 227 Hybrid vehicles (PHEV): location  
of the battery in the luggage compartment  
Error: The 12V power supply is  
currently limited. Drive with cau-  
tion.  
The control lamp lights up YELLOW.  
The connection between the on-board net-  
work and the 12-volt battery has been inter-  
rupted. If the drive system switches off in this  
situation, it should not be switched on again  
The control lamp lights up YELLOW.  
328  
Checking and refilling levels  
Valid for hybrid vehicles (PHEV)  
workshop to have the battery checked  
and replaced if necessary.  
Checking the battery electrolyte  
level  
The 12-volt vehicle battery is located under  
the luggage compartment floor.  
Black: The battery’s electrolyte level is cor-  
rect.  
●
●
Open the luggage compartment.  
Raise the luggage compartment floor  
page 142, to gain access to the 12-volt  
›››  
Charging or changing the battery  
battery cover Fig. 227 .  
›››  
●
A suitable tool must be used to open and  
If you often drive short distances or if the ve-  
hicle is not driven for long periods, the bat-  
tery should be checked by a specialised  
workshop between the scheduled services.  
close the cover.  
Valid for conventional vehicles  
●
Raise the bonnet  
in Working in the  
›››  
If the battery has discharged and you have  
problems starting the vehicle, the battery  
might be damaged. If this happens, we rec-  
ommend you have the vehicle battery  
checked by a Technical Service where it will  
be re-charged or replaced.  
Fig. 228 Sight glass on the top of the 12  
volt battery (schematic representation).  
engine compartment on page 316.  
●
Lift the cover that protects the front of the  
battery page 318 , Fig. 217 .  
›››  
›››  
The electrolyte level should be checked reg-  
ularly in high-mileage vehicles, in hot coun-  
tries and in older batteries.  
Charging the battery  
●
Check the colour display in the "magic eye"  
on the top of the battery.  
The vehicle battery should be charged by a  
specialised workshop only, as batteries using  
special technology have been installed and  
they must be charged in a controlled envi-  
ronment.  
●
If there are air bubbles in the window, tap  
the window gently until they disperse.  
The “magic eye” indicator, located on the  
top of the battery changes colour, depend-  
ing on the charge state and electrolyte level  
of the battery.  
Replacing a vehicle battery  
The 12-volt vehicle battery has been de-  
signed to suit its location and has specific  
safety features. If the battery needs to be re-  
placed, it is recommended that it be installed  
by an official CUPRA qualified workshop.  
There are two different colours:  
Yellow or colourless: The battery's electro-  
lyte level is too low. Go to a specialised  
»
329  

Related Topics

Practical tips
Checking and refilling levels Refuelling Fuel types Engine management and emissions control system Engine compartment Engine oil Cooling system Brake fluid Windscreen washer reservoir 12-volt battery Wheels Wheels and tyres Tyre pressure monitor system Spare wheel

Popular Owner Manuals

Audi
Audi
BMW
BMW
Citroen
Citroen
Ford
Ford
Honda
Honda
Peugeot
Peugeot