Make sure you're on a wireless network with a pc.
1. Go into the extras repositories and download rootsh as well as OpenSSH Server.
2. Open up xterm (it will ask you to enter a password here, remember it youll need it), type in the following two commands:
Code:

sudo gainroot then tap enter
ifconfig tap enter


Look for the ip address of the n900 (usually a 192.168 number)
3. download winscp from the internet onto your computer
4. Host name: The IP address of the n900
user name: root
password: The password you put in xterm.
then tap login this should log you into the workings of the phone
then go too /usr/share/applications/hildon/sygic.desktop
and change Exec=/opt/sygic/Drive/Maemo/drive -cwd=/home/user/MyDocs/Drive/Maemo by putting -rfull at the end.

Exec=/opt/sygic/Drive/Maemo/drive -cwd=/home/user/MyDocs/Drive/Maemo -rfull