2021-2026 Seat Leon 4 Door Maintenance -> Accessories and modifications to the vehicle User Manual
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Maintenance -> Accessories and modifications to the vehicle for Your Seat Leon 4 Door Fourth Generation (2021-2026)

Accessories and modifications to the vehicle  
some of its colour. If the car is left for a pro-  
longed period in the bright sun, it is best to  
cover the leather.  
Any retro-fitted equipment which has a di-  
rect effect on the vehicle and/or the way it is  
driven, such as a cruise control system or  
electronically-controlled suspension, must  
be approved for use in your vehicle and bear  
the e mark (the European Union's authorisa-  
tion symbol).  
Accessories and modifi-  
cations to the vehicle  
WARNING  
Accessories, spare parts and  
repair work  
Do not use water-repellent coatings on the  
windscreen. In bad visibility conditions  
such as humid weather, darkness or when  
the sun is in its lowest point, visibility may  
be impacted. Risk of accident! Such coat-  
ings can also cause the windscreen wiper  
blades to make noise.  
If any additional electrical devices are fit-  
ted which do not serve to control the vehicle  
itself (for instance a refrigerator box, laptop  
or ventilator fan, etc.), they must bear the  
sign (manufacturer conformity declaration in  
the European Union).  
Introduction  
Always ask your dealer or specialist retailer  
for advice before purchasing accessories  
and replacement parts.  
Note  
Your vehicle is designed to offer a high stand-  
ard of active and passive safety. For this rea-  
son, we recommend that you ask a SEAT Offi-  
cial Service for advice before fitting accesso-  
ries or replacement parts. Your SEAT Official  
Service has the latest information from the  
manufacturer and can recommend accesso-  
ries and replacement parts which are suita-  
ble for your requirements. They can also an-  
swer any questions you might have regarding  
official regulations.  
WARNING  
Remains of insects can be removed much  
more easily with previously treated paint.  
Accessories, for example telephone hold-  
ers or cup holders, should never be fitted  
on the covers, or within the working range  
of the airbags. Otherwise, there is a danger  
of injury if the airbag is triggered in an acci-  
dent.  
Regular car care treatments can prevent  
deposits of ambient rust.  
Remove the vehicle from traffic  
If you want to leave your vehicle stationary  
for a long period of time, contact a qualified  
workshop. They will gladly inform you about  
the necessary measures, such as anti-corro-  
sion protection, Service and storage.  
Technical modifications  
We recommend only using SEAT accesso-  
ries and genuine SEAT parts®. SEAT has  
tested these parts and accessories for suita-  
bility, reliability and safety. SEAT Official  
Services have the necessary experience and  
facilities to ensure that the parts are installed  
correctly and professionally.  
Unauthorised modifications to the electronic  
components, software, wiring or data transfer  
in the vehicle may cause malfunctioning.  
Also take into account the indications relating  
to the vehicle’s battery page 306, Con-  
servation of the high-voltage bat-  
You will appreciate that your SEAT dealership  
cannot be held liable for any damage  
caused by modifications and/or work per-  
formed incorrectly.  
›››  
tery, page 337, 12-volt battery.  
›››  
»
363  
Maintenance  
For this reason we recommend asking official  
SEAT service centres to do any necessary  
work using genuine SEAT parts®.  
Mobile radio transmitters  
a properly installed external aerial can  
create excessive magnetic fields that  
could cause a health hazard.  
Commercial mobile telephones or radio  
equipment might interfere with the electron-  
ics of your vehicle and cause malfunctions.  
This may be due to:  
WARNING  
Note  
Incorrectly performed modifications or  
other work on your vehicle can lead to mal-  
functions and cause accidents.  
The posterior fitting of electric and elec-  
No external aerial.  
tronic equipment in this vehicle affects its  
licence and could lead to the withdrawal of  
the vehicle registration document under  
certain circumstances.  
External aerial incorrectly installed.  
Transmitting power more than 10 W.  
You must, therefore, do not operate portable  
mobile telephones or radio equipment inside  
the vehicle without a properly installed exter-  
Radio telephones and office equip-  
ment  
Please use the mobile telephone/radio  
operating instructions.  
nal aerial  
.
›››  
Radio transmitters (fixed installation)  
Please note also that the maximum range of  
the equipment can only be achieved with an  
external aerial.  
Any retrofit installations of radio transmitters  
in the vehicle require prior approval. SEAT  
generally authorises in-vehicle installations  
of approved types of radio transmitters provi-  
ded that:  
Business equipment  
Retrofit installation of business or private  
equipment in the vehicle is permitted, provi-  
ded the equipment cannot interfere with the  
driver's immediate control of the vehicle and  
that any such equipment carries the mark.  
Any retrofit equipment that could influence  
the driver's control of the vehicle must have a  
type approval for your vehicle and must carry  
the e mark.  
The antenna is installed correctly.  
The aerial is installed on the exterior of the  
vehicle (and shielded cables are used to-  
gether with non-reflective aerial trimming).  
The effective transmitting power does not  
exceed 10 Watts at the aerial base.  
A SEAT Official Service and specialised work-  
shop will be able to inform you about options  
for installing and operating radio transmitters  
with a higher transmitting power.  
WARNING  
Mobile telephones or radio equipment  
which is operated inside the vehicle without  
364  

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