Ram Trucks MEDIA CENTER 730N for Jeep - Manual (Page 20)

Larger luggage items should be placed as far from the
antenna as possible. Do not place items directly on or
above the antenna.
Other Electronic Devices
You may bring other electronic devices into your vehicle
(e.g., PDA, iPod, laptop computer, CB Radios, etc.). Some
of these devices may cause electromagnetic interference
with the GPS. If a degradation in the navigation system is
observed, turn the devices off, or keep them as far away
from the GPS antenna as possible.
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