pleeeeeeease help!

hello,,, the EAS Light on my range rover is on,- ive lost all suspension and speed over 30mph! does anybody know about / how to fix the problem??! i do not want to take it to a garage without having a rough idea of whats going on... please reply to cliveclive1234@aol.com,,, or 07946241833 asap...

THANK-YOU! XXX