Garmin NUVI245 用户手册

Appendix

To receive one free map update 

(if available), register your nüvi 

days of acquiring satellites while 

driving with your nüvi. You are not 

eligible for the free map update if 

you register by phone or wait longer 

than 60 days after the first time you 

acquire satellites while driving with 

your nüvi. For more information, go 

to 

You can purchase additional maps 

for your nüvi. To see a list of maps 

that are compatible with your nüvi, 

go to your nüvi product page on the 

Garmin Web site (

 tab.

Your nüvi must acquire GPS 

(Global Positioning System) satellite 

signals in order to navigate. If you 

are indoors, near tall buildings or 

trees, or in a parking garage, your 

nüvi may not acquire satellites. Go 

outside to an area free from tall 

obstructions to use your nüvi. 
When your nüvi has acquired 

satellite signals, the signal strength 

bars on the Menu page are green 

. When it loses satellite 

signals, the bars turn red or clear 

. 

For more information about GPS, go