Open your sea chart to the south west quadrant and then close the top half of the DS against the bottom half, like you are turning it off. Then open it back up and it will have transferred the symbol over.
first you open your sea charts then you press the top part of the ds on the bottom part of the ds and the symbol will appear sorry i forgot to mention that you need to open to the southwest corner of the sea chart
once you are at the part where it says press the symbol to the sea chart click the sun open the sea chart and close your ds/dsi then get the salvage arm (cannon island) go to the courage symbol and salvage
close you ds then open it, that sould do it.
The last symbol is the triforce
the door isn't really a door its just a slate the door to the sun temple is on Molida island the key is in the sea to find the position of the key look at the map where it shows the symbol then open your sea chart to the southwest corner then close the ds and the symbol will be there open the sea chart then close it (not the way when you turn the power off,press the screen. )you know close the screen, I repeat,close the ds screen. Close the ds, get the salvage crane from that guy you got the canon from, salvage the sun key from the ocean.
Simple close your d.s. For like three seconds and there you go
On the GameCube controller, press the up button on the d pad to open your sea chart. Then press y button to go to your treasure charts
If you meant on Phantom Hourglass, you close your DS. I knew how to do that when I was 7.
THE LAST SEA CHART IS IN THE OCEANS KING TEMPLE. (you only get the sea chart the 5th time you are sent there)
all you do is close your ds and open it again
you are probally not in the right sea chart. go to the southwest chart and close the ds
You get the last sea chart in the Temple of the Ocean King, B12. You get the last sea chart in the Temple of the Ocean King, B12.