Keyless Entry Transmitter: Description and Operation

GF80.57-P-6010RI Transmitter Key, Component Description

Component Identification:

Body
An "electronic key" is integrated in the transmitter key. This key includes an FM radio transmitter, an infrared transmitter/receiver unit, a computer chip as well as tow batteries (button cells). Moreover, the following controls and control indicators are integrated:
- Lock transmit button (1)
- Unlock transmit button (2)
- Trunk lid remote door unlock transmit button (3)
- Battery control display (4)
- Panic alarm (6) transmitter button (with code (763) Radio remote control with panic switch)

The mechanical emergency key (7) can be unlocked and removed with the unlocking slider (5).

Task
The following functions can be actuated with the transmitter key:
- Lock central locking (CL)
- Unlock CL ("selective/global")
- Trunk lid remote door unlock
- Panic alarm
- Display for transmitter key battery status

With "selective" unlocking, the driver door and the fuel filler flap are unlocked by pressing once.
With "global" unlocking, the vehicle is unlocked completely by pressing once.

Switchover unlocking from "Selective" to "Global" or vice versa:
- Press and hold "Lock" transmit button and "Unlock" transmit button simultaneously for approx. t = 5 seconds until the battery indicator lamp flashes twice.

Panic alarm (with code (763) Radio remote control with panic switch)
Actuate panic alarm transmit button:
- The panic alarm is triggered when actuated for t = 2 s.
- The panic alarm is terminated when reactuated for t = 0.5 s.

Keyless Go (KG) (with code ( 889) Keyless Go)
Communication with the vehicle via inductive signals and radio signals. It is not necessary to insert the transmitter keys into the EIS control unit (N73).

Versions:
- With panic alarm transmit button (with code (763) Radio remote control with panic switch)
- Without panic alarm transmit button (with code (763) Radio remote control with panic switch)