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When you get off the car, do not leave your device on the dashboard that is
subject to direct sunlight. The overheating of the battery can cause malfunction
and /or danger.
GPS is operated by the United States government, which is solely responsible for
the performance of GPS. Any change to the GPS system can affect the accuracy
of all GPS equipments.
GPS satellite signal can not pass through solid materials (except glass). When
you are inside a tunnel or building, GPS positioning is not available.
A minimum of 4 GPS satellite signal is needed to determine current GPS position.
Signal reception can be affected by situations such as bad weather or dense
overhead obstacles (e.g. trees and tall buildings).
Other wireless devices in the vehicle might interface with the reception of satellite
signals and cause the reception to be unstable.
A car holder id needed when using the device in a car. Be sure to place the
device in an appropriate place, so as not to obstruct the driver’s view or
deployment of air bag.
