2017-2026 DS 7 4 Door Practical information -> Checks User Manual
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Practical information -> Checks for Your DS 7 4 Door First Generation (2017-2026)

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Practical information  
Following prolonged operation of the  
vehicle at very low speed or at idle, you  
may, in exceptional circumstances, notice  
water vapour coming from the exhaust while  
accelerating. These emissions have no impact  
on the vehicle’s behaviour and the  
environment.  
Passenger compartment filter  
Checks  
Depending on the environment and the use  
Unless otherwise indicated, check these  
components in accordance with the  
manufacturer's service schedule and according to  
your engine.  
of the vehicle (e.g. dusty atmosphere, city  
driving), change it twice as often, if necessary.  
A clogged passenger compartment filter  
can adversely affect air conditioning  
system performance and generate undesirable  
odours.  
Otherwise, have them checked by a dealer or a  
qualified workshop.  
Only use products recommended by the  
Manufacturer or products of equivalent  
quality and specification.  
New vehicle  
During the first few particle filter  
regeneration operations, you may notice a  
"burning" smell. This is perfectly normal.  
Air filter  
In order to optimise the operation of  
components as important as those in the  
braking system, the Manufacturer selects and  
offers very specific products.  
Depending on the environment and the use  
of the vehicle (e.g. dusty atmosphere, city  
driving), change it twice as often, if necessary.  
Automatic gearbox  
The gearbox does not require any  
Oil filter  
maintenance (no oil change).  
12 V battery  
Change the oil filter each time the engine  
oil is changed.  
Electric parking brake  
The battery does not require any  
maintenance.  
This system does not require any routine  
Particle filter (Diesel)  
Check regularly that the terminals are correctly  
tightened (versions without quick-release  
terminals) and that the connections are clean.  
servicing. However, in the event of a  
The start of clogging of the particle filter is  
indicated by the temporary lighting of this  
warning lamp, accompanied by an alert message.  
As soon as the traffic conditions permit,  
regenerate the filter by driving at a speed of at  
least 37 mph (60 km/h) until the warning lamp  
goes off.  
problem, do not hesitate to have the system  
checked by a dealer or a qualified workshop.  
For more information on the precautions  
to take before any work on the 12 V  
For more information on the Electric  
parking brake, refer to the corresponding  
section.  
battery, refer to the corresponding section.  
Versions equipped with Stop & Start are  
fitted with a 12 V lead-acid battery of  
specific technology and specification.  
Its replacement should be carried out only by a  
dealer or by a qualified workshop.  
Brake pads  
If the warning lamp stays on, this  
indicates a low Diesel additive level.  
For more information on Checking levels, refer  
to the corresponding section.  
Brake wear depends on the style of driving,  
particularly in the case of vehicles used in  
town, over short distances. It may be necessary to  
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Practical information  
have the condition of the brakes checked, even  
between vehicle services.  
Driving with worn or damaged tyres reduces the  
braking and road holding performance of the  
vehicle. Regularly check the condition of the tyres  
(tread and sidewalls) and rims as well as the  
presence of the valve caps.  
Timing and accessory kits  
The timing and accessory kits are used  
from the time the engine is started until it  
is switched off. It is normal for them to wear over  
time.  
Unless there is a leak in the circuit, a drop in the  
brake fluid level indicates that the brake pads are  
worn.  
When the wear indicators no longer appear set  
back from the tread, the depth of the grooves is  
less than 1.6 mm; replace the tyres as soon as  
possible.  
A faulty timing or accessory kit can damage  
the engine, rendering it unusable. Observe the  
recommended replacement frequency, stated in  
distance travelled or time elapsed, whichever is  
reached first.  
After washing the vehicle, moisture, or in  
wintry conditions, ice can form on the  
brake discs and pads: braking efficiency may  
be reduced. Gently dab the brakes to dry and  
defrost them.  
Using different size wheels and tyres from those  
specified can affect the lifetime of tyres, wheel  
rotation, ground clearance, the speedometer  
reading and have an adverse effect on road  
holding.  
AdBlue® (BlueHDi)  
Brake disc wear  
For information on checking brake disc  
wear, contact a dealer or a qualified  
workshop.  
To respect the environment and ensure  
compliance with the Euro 6 standard, without  
adversely affecting the performance or  
fuel consumption of its Diesel engines, the  
Manufacturer has taken the decision to equip  
its vehicles with a system that combines SCR  
(Selective Catalytic Reduction) with a Diesel  
Particle Filter (DPF) for the treatment of exhaust  
gases.  
Fitting different tyres on the front and rear axles  
can cause the ESC to mistime.  
Always mark the direction of rotation on the tyres  
that will be stored when fitting winter or summer  
tyres. Store them in a cool, dry place and away  
from direct exposure to the sun's rays.  
Winter or 4-seasons tyres can be identified  
by this symbol on their sidewalls.  
Wheels and tyres  
The inflation pressure of all tyres,  
including the spare wheel, must be  
checked on "cold” tyres.  
The pressures indicated on the tyre pressure label  
are valid for "cold" tyres. If you have driven for  
more than 10 minutes or more than 6 miles (10  
kilometres) at over 31 mph (50 km/h), add 0.3 bar  
(30 kPa) to the values indicated on the label.  
Shock absorbers  
SCR system  
It is not easy for drivers to detect when  
shock absorbers are worn. Nevertheless,  
the shock absorbers have a major impact on road  
holding and braking performance.  
Using a liquid called AdBlue® that contains  
urea, a catalytic converter turns up to 85% of  
the nitrogen oxides (NOx) into nitrogen and  
water, which are harmless to health and the  
environment.  
Under-inflation increases energy  
consumption. Non-compliant tyre  
For your safety and driving comfort, it is important  
to have them regularly checked by a dealer or a  
qualified workshop.  
pressures cause tyres to wear prematurely and  
have an adverse effect on the vehicle's road  
holding - risk of accident!  
The AdBlue® is contained in a special tank  
holding about 17 litres.  

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