Pioneer AVIC-D3 - Navigation System With DVD Player Operation Manual page 141

• If there is a loop or similar road configuration.
• If you take a ferry.
• If you are driving on a long, straight road or a
gently curving road.
• If you are on a steep mountain road with many
height changes.
• If you enter or exit a multi-storey parking lot or
similar structure using a spiral ramp.
• If your vehicle is turned on a turntable or simi-
lar structure.
• If your vehicle's wheels spin, such as on a
gravel road or in snow.
• If you put on chains, or change your tires for
ones with a different size.
• If trees or other obstacles block the GPS sig-
nals for a considerable period.
• If you drive very slowly, or in a start-and-stop
manner, as in a traffic congestion.
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