First read and observe the introductory information
and safety warnings
Please follow these rules to help prevent damage to your vehicle when driving through water, for example if the road is flooded:

WARNING

NOTICE
Checklist
Technical dataSafety regulations for crash sensors (pressure sensors) for front side
airbags
The side airbag crash sensors respond to changes in pressure
and must therefore be treated with particular caution. Observe
the following:
The correct installation position is vitally important: only
install in the specified ...
Introduction
This chapter contains information on the following subjects:
→ Stowage
→ Contents
Observe any country-specific legislation when securing your vehicle in the event
of a breakdown.
Additional information and warnings:
Preparation for working in the engine compartment
...
Removing and installing front treble loudspeakers -R20-/-R22-
Front left treble loudspeakers -R20-/front right treble
loudspeakers -R22- are located in A-pillar trim.
Note
If the treble loudspeaker needs to be renewed, the A-pillar
trim will also need renewing.
...