Audi A4: Additional settings
Audi A4 (B9) 2016-2026 Owner's Manual / Infotainment system / Additional settings
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System settings
Introduction
General settings are described in this chapter.
You can find specific settings in the chapters
about those settings. The available settings depend
on the vehicle equipment.
Date and time
Software update
Introduction
Applies to: vehicles with software update
You can update your vehicle's software.
The functions depend on the country and vehicle
equipment:
Update through the online system update
Map
Connected devices
Displayed connected devices
Requirement: the vehicle must be stationary and
the ignition must be switched on.
Applies to: MMI: Select on the home screen:
SETTINGS > Connected devices.
Possible
SEE MORE:
Window Regulator, Removing and Installing
Removing
- Remove the door window. Refer to
→ Chapter "Front Door Window, Removing and Installing".
- Release the retainers -1 and 3- on
the window regulator threaded pins -2-
using an 11 mm socket. To do so, slide the socket onto the
threaded pin.
- Unclip the window regul
A/C Technology Basic Principles
Physical Principles
The four known states of water also apply to air
conditioning system refrigerants.
1 - Gaseous (invisible)
2 - Vapor
3 - Liquid
4 - Solid
When water is heated in a container (heat absorption), water
vapor can be seen to rise. If the vapo
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