GPS antenna may be installed inside the car such as on the dashboard or coat rack; it may be also installed outside the bar such as the top of car or on the trunk lid.
GPS antenna must have an open visual field towards the sky .If the glass of the car window is equipped with explosion-proof film or heat insulation film, it might greatly reduce the receivingstrenght, in that case its advised to install the GPS antenna outside the car.
Precautions
1. Only the professional installing technicians are allowed to install and maintain this product.
2.Installation or maintenance by the unprofessional people might cause electric shoke or other risks and even damage the unit.
3. In the process of connecting, pay attention to the hook position, don't pull wires forcibly to avoid invalid connection.
4. Please use the attached wire of the system, otherwise the accident of fire or smoke or damage to the unit or vehicle might be caused.
5. Don't cut off any extra wire which is kept for future use, Protect the ends of wire with insulating tape.
6. In order to avoid short circuit, please disconnect the anode of the power accumulator before any connection and installation.
7. Ensure all lines are placed and protected in good condition, don't let them interfere in any moveable parts of the car such as steering wheel, gearlever, brake pedal, sliding chair, door or other parts.
8. The voice is input through AUX, so please ensure audio cable connectes well with the AUX port of the original car audio system.
9. The Audi A3 GPS can be fit for Audi A3.
1. Before installation.
2. Removal key will be used
3. Remove the original radio part with the removal keys
4. After removing the original radio part.
5. Fish USB cables through the dash into the glove box at the passengers side and Reassemble the unit in position with all the harnesses connected .
6. Installation finished.article source: http://www.car-gpssystem.com
