1995 Volvo 850 Keyless Entry System
850 models with central locking and factory installed alarm system can be equipped with a remote-controlled keyless entry system. Transmitter has a range of about 5 meters. Remote control cannot be used to lock vehicle if ignition switch is in position I or II. Upon receiving signals from transmitter, receiver unit transmits locking or unlocking signals to central locking relay. Central locking relay switches interior lighting on and off, and transmits signals to alarm relay to activate and deactivate alarm. Receiver includes a memory which can store coded radio signals from a maximum of 3 different transmitters. Information is retained in memory even if battery is disconnected.
Transmitter Replacement
If transmitter is replaced, unit may need reprogramming. It is necessary that receiver be programmed with each key code. To reprogram receiver, turn ignition switch to position I or II 5 times within 10 seconds. Leave ignition on at fifth turn. Press either LOCK or UNLOCK button on transmitter once within 30 seconds. If transmitter is provided with different key codes, programming of each unique code must be accomplished within 30 seconds. Turn ignition off. Verify operation of each individual transmitter.
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