System description

Basic functions of the PCM

Audio (tuner with cassette drive)

GSM telephone with SIM card reader


On-board computer

A/C display


The highly accurate satellite-based navigation system permits rapid and sure guidance to an input destination in areas for which a digitized road map on CD-ROM is available. Route guidance is realised by means of driving instructions with voice output in various selectable national languages, supported by arrow or map displays on the screen.


Buttons for selecting the various audio sources (AM/FM tuner, cassette, CD) are located on the left side of the front panel.

The RDS names of the stations of the current memory level stored at the station buttons are shown on the function display offered during FM radio operation. The desired station can thus be selected quickly.

In addition to the station-search function, the system also has an autostore function in FM operation. This function assigns the station buttons and automatically adds the station names described above so that they are permanently visible.

The main pages for all audio sources include the item Set. If this item is selected, the system offers adjustment possibilities for treble, bass, balance, fader, speed-dependent volume control (GAL) and loudness.

If the Digital Sound Processor (DSP) option has been installed, further functions fur optimum sound adjustment are available.

In this case, it is possible to select conventional treble/bass adjustment or a 7-band equalizer. Furthermore, high-fidelity audio patterns can be selected. Finally, the user can also define individual audio patterns according to his or her own taste.


The GSM telephone offered for the European region fulfills all demands with regard to practical operation, voice transmission and reception sensitivity.

Individual functions:

GSM telephone with 2 W transmission power

Digital handsfree use (echo compensation) via the audio loudspeakers and an external

Audio mute function during a conversation in

Integrated SIM card reader Emergency call possible even without SIM

Separate passive handset can be connected

SMS (Short Message Service) reception with the possibility of directly selecting telephone numbers present in the message section

Manual dialling

External telephone number memory on SIM card (with/without name)

Memory for frequently used numbers: for seven numbers of the telephone directory (the data of up to five different SIM cards are stored)

The five numbers most recently called can be stored on the SIM card

Redial function (at the push of a button)

Volume adjustment during a conversation via volume control

Visual and audible call signal

Telephone numbers of incoming calls are displayed (if available in the network); the associated name is also displayed if an entry exists in the directory.

Telephone number of the outgoing call is displayed

Duration of the conversation is displayed

Network operator and field strength are

Existing network operators are displayed; manual or automatic selection is possible

PIN query can be switched on/off (if supported by service provider), PIN can be

Copying and rental of phone cards. On-board computer

Some functions of the on-board computer display are linked with the data of the navigation unit: The time is set automatically according to the data determined by the GPS receiver; thus, the only work required involves setting the time zone once.

The route to the destination is known if the route guidance function is activated in the navigation unit. The length of this route is displayed as the distance to the destination. The range display allows an estimate about whether the fuel supply is adequate for the remaining distance. The estimated time of arrival is calculated on an individual basis according to the driving style and the planned route: The navigation unit informs the on-board computer about the different road categories along the route and the length of these road sections.

The on-board computer calculates a different individual average driving speed for each road category. This information is used to calculated the planned time of arrival - if no traffic-related delays occur - on an individual basis. The on-board computer also supplies standard information, for instance the average consumption, average speed, distance travelled, and elapsed driving time. The outside temperature is adopted from the instrument cluster. It is possible to set a limit that triggers a visual and audible speed warning.

It is also possible to switch to different units of measure and languages and adjust the display

The IVC function is limited to the display of data transferred from the air-conditioning regulator.

Fan setpoint

Passenger compartment temperature Air distribution

Status display (automatic system, defroster, A/C compressor, air circulation)

The display is activated automatically whenever a manual adjustment is made on the air conditioning regulator or the A/C function

PCM diagnosis

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