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Before disconnecting the battery, make sure you have write down the frequencies for the radio's preset buttons.

The navigation unit is located behind the glove box.

When the battery is disconnected, the internal GPS clock is reset to ‘‘0:00''. The clock will reset to the correct time after the system finishes the GPS initialization.

After reconnecting the battery, you have to wait to get the initial signal from the satellite. It will take from 10 to 45 minutes.

Before returning the vehicle to the customer, enter the customer's radio station presets, and adjust the clock as necessary.