key battery AUDI A6 2005 C5 / 2.G Electrics System Training Manual

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– Reading in position P of the automatic
transmission from the switch for gearbox
position P F305:
The signal is used to activate the integrated,
magnetic ignition key anti-removal lock. If the
vehicle battery is flat, the key can be removed by
pressing the mechanical emergency release.
– Reading in the information from the button for
access and start authorisation E408 (only for
vehicles with Advanced Key):
Fo r s a fe t y r e as o n s , t h e p o s i t i o n s o f t h e b u t to n fo r
access and start authorisation are evaluated by
the switch for access and start authorisation.
–
– Reading in the information from the antenna for
central locking and anti-theft warning
system R47:
The switch for access and start authorisation
passes the data, which the vehicle key sends via
remote control, on to the control unit for access
and start authorisation. The control unit
evaluates the data.
– Reading in the signal from the brake light
switch F (only for vehicles with Advanced Key):
To start the vehicle using the button for access
and start authorisation, the brake pedal must be
actuated.
– Exchanging data with the key using the
integrated read coil:
If a key is inserted into the switch for access and
start authorisation (= S contact on), the
electronics system transmits electric power into
the key via the read coil. The key then sends the
key identification into the switch via the
transponder and the read coil. This sends the
information to the control unit for access and
start authorisation.
Convenience electrics
326_069 326_068
326_065

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Vehicl e ke y
The key has a mechanically coded hinged bit for the
lock cylinder in the driver’s door and the tailgate/
boot lid. The transponder function is integrated into
the electronics and also works without a battery.
An integrated battery powers the electronics for the
radio remote control and Advanced Key functions.
A new feature here is the bi-directional data
exchange between the radio-control key and the
control unit for access and start authorisation via
the antenna for central locking and anti-theft
warning system R47. This is used to transfer the
status of the central locking system into the key.
If a button outside of the function range of the key
is pressed, the LED integrated in the key shows the
lock status of the vehicle. The lock status displayed
is always the status, which was achieved using this
key when central locking was last actuated.
If the vehicle is opened or locked in the interim
period using a second key, this does not change the
lock status in the first key.
Furthermore, the radio frequency is changed from
433 MHz to 868 MHz for the first time in many
countries. This radio frequency is ideal for data
communication between vehicle keys and the
control unit.
Since this frequency can only be used for very short
transmission pulses, any interference from
long-term radio transmitters, such as baby phones,
wireless headsets, etc. is eliminated.
326_138
326_058 Vehicle within key range
Vehicle outside of key range,
last vehicle status is locked Signals from the key LED
Vehicle outside of key range,
last vehicle status is not locked
Approx. 4 seconds on
off
on
off
on
off

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Infotainment
Legend

Hardkey
❍Softkey
–Sub-menu
–Function
* available later

Navigation
Navigation
– mode>
– Country
– City/Postal code
– Street
– Special dest.
– Route guidance
Start
–
– Z-destination 1...3
– Destination
❍Memory
–Last destinations
–Top special dest.
– Destination from
address book
– Save current dest.
– Save route
–Load route
❍Route
– Route criteria
–Distance list
–Route with
stop-off destinations
–Route without
stop-off destinations
–Block route
from here
❍Map
–Zoom
–Map menu
❍Nav Info
– Destination
–Location
–GPS dates

Navigation setup
–Map colours
–Alignment
–Junction zoom
–Map type
–Map contents
– Audible directions
–Demo mode
– Delete last
destinations
–Manual location
– Version information

Info main menu
– TMC message list
❍TP memo
– Message retrieval
❍Sources
–
–

Info setup
– TP memo timer
– TMC display filter

Car main menu
❍User
–User 1 - 4
– User management
❍On-board manual
–Short Guide
–Driver’s Manual
–Audi MMI
❍Maintenance
❍Maintenance
– Ambient lighting
–Acoustic Parking
System
– External lighting
– Battery charge level
– Vehicle registration
number
–Windows
– Instrument cluster
– Tyre pressure
control system
– Windscreen wiper
–Seat adjustment
–Mirror adjustment
–Central locking

Setup main menu
–Radio setup
❍Settings
–Menu language
–Units of measure
– Time setting
–System sounds
– Voice operation
– Factory setting
❍Sound
– Balance
–Fader
–Treble
–Base
–Subwoofer
–DSP
– Standard
– BOSE
– Volume settings
– Navigation
instructions
– Traffic
programme
broadcast
– Voice dialogue
system
– Telephone volume
❍Display
–Brightness