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Table of Contents > Descriptions of work > Sliding sunroof drains at front (Passat estate): check for blockage, clean if necessary

VW Passat B8 Service Manual ➜ Sliding sunroof drains at front (Passat estate): check for blockage, clean if necessary

Passat 2015 ➤, Passat 2019 ➤, Passat Variant 2015 ➤, Passat Variant 2019 ➤  
Maintenance - Edition 11.2020  
– Pour about 0.5 litre of tap water into the water drain from  
a measuring beaker using a commercially available funnel.  
Proceed with caution to make sure no water enters the vehi‐  
cle interior.  
– Check under vehicle if water emerges in area of rear wheel  
housing.  
– Repeat procedure on other side of vehicle.  
– If no water emerges at relevant positions, clean sunroof  
drains.  
Note  
Cleaning of the sliding sunroof drains is a repair measure which  
is subject to a separate charge when performed.  
4.58  
Sliding sunroof drains at front (Passat  
estate): check for blockage, clean if  
necessary  
Open sliding sunroof completely.  
– Check water drain at front -arrows- for contamination, and  
clean if necessary.  
– Pour about 0.5 l of tap water from a measuring beaker into  
the front water drain. Proceed with caution to make sure no  
water enters the vehicle interior.  
– Check under vehicle if water emerges in area of front wheel  
housing.  
– Repeat procedure on other side of vehicle.  
– If no water emerges at relevant positions, clean sunroof  
drains.  
Note  
Cleaning of the sliding sunroof drains is a repair measure which  
is subject to a separate charge when performed.  
184  
4. Descriptions of work  
Passat 2015 ➤, Passat 2019 ➤, Passat Variant 2015 ➤, Passat Variant 2019 ➤  
Maintenance - Edition 11.2020  
4.59  
Service interval display: resetting  
Resetting service interval display using vehicle diagnostic tester  
Resetting service interval display without vehicle diagnostic  
Additional information for service interval display ⇒ page 8  
A reset of the service interval display during  
♦ delivery inspection  
♦ each oil change (flexible/fixed)  
is carried out!  
Note  
It is also possible to reset the service interval display (SID)  
manually. However, bear in mind that, on vehicles coded to  
flexible interval, the SID needs to be coded to fixed intervals.  
This also modifies the adaptation channel for oil quality.  
4.59.1  
Service interval display: resetting using  
vehicle diagnostic tester  
– Reset service interval display ⇒ page 30 .  
– Select the respective service which is to be reset.  
4.59.2  
Service interval display: resetting with‐  
out vehicle diagnostic tester  
Oil change service interval display: resetting  
Function button on dash panel insert:  
– With ignition switched off, press and hold button -1-.  
– Switch on ignition.  
Wait until “Reset oil change service?” appears on the display.  
on the display.  
– Release button -1-.  
The service interval display is now in the resetting mode.  
– Briefly press button -1- once.  
After a short time the display switches back to the original dis‐  
play.  
4. Descriptions of work  
185  
   

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