Find out where your "friend" did the code. If you don't know what it is, then you have to go back to that exact location where they did it and it will automatically unlock it for you. Then you can follow the instructions below:
Answer:
If
you can remember the PIN Code previously set on your device you will be
able to change the Pin on your device easily. You can change the PIN on
the unit by doing the following:
Zumo's, Street Pilot Cxx, Nuvi 3xx, 6xx
- Turn your device on
- Touch the Spanner symbol
- Touch System
- Touch On/Off next to Garmin Lock
Within this section you can add or change a PIN.
All Nuvi's excluding 3xx and 6xx
- Turn your device on
- Touch Tools
- Touch Settings
- Touch Security
- Touch On/Off under Garmin Lock
Within this section you can add or change a PIN.
When the Garmin security lock is set it locates the units current GPS location.
If
you are trying to change the Garmin Lock and are not within the same
location to where the Garmin Lock was set you will need to revert back
to this GPS position.
Once at this position you will not be
prompted to enter the PIN Code when starting the device up and can
change the code as you please.
your safe locations is the spot you were in when the pin was set. by returning to that location, the gps automatically unlocks.
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