Garmin 500 Guida Utente

Using FM TMC Traffic

Some aera models can receive FM TMC 

(Traffic Message Channel) traffic depending 

upon the traffic receiver connected to your 

NOTE: Garmin is not responsible for the 

accuracy of the traffic information.
The FM TMC traffic receiver is an optional 

accessory. FM TMC traffic receivers receive 

traffic information that is broadcast over the 

FM Radio Data System. 
The FM TMC subscription activates 

automatically after your Garmin GPS device 

acquires satellite signals while receiving 

traffic signals from the service provider. You 

can add other FM TMC subscriptions at any 

time. Check the Garmin Web site at  

 for other 

available services. 

To receive traffic information, the following 

conditions must be met: 

The traffic receiver must be connected to 

the aera.
The traffic receiver and the aera must be 

connected to an external power source.
The traffic receiver and the aera must 

be in data range of an FM station 

transmitting traffic information.

NOTE: Heated (metallized) windshields 

could degrade the performance of the traffic 

receiver.

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When you are receiving traffic information, 

a traffic icon appears in the upper-left corner 

of the Map page. The traffic icon changes 

color to indicate the severity of traffic 

conditions on your route or on the road you 

are currently traveling. 

Green

Low severity

Traffic is flowing 

normally.

Yellow

Medium 

severity

Traffic is slightly 

congested.

Red

High severity

Traffic is heavily 

congested or 

stopped.

Grey

No data

Traffic Data has 

not updated.