Abs light and orange car light with spanner on. Speedo not working.

Hi everyone I have a 2006 corsa sxi . A couple of weeks ago the abs light and the orange car with a spanner light has come on. Also the speedo has stopped working . I have taken it to my local gararge who kept it for a couple of days but has no idea why this has occurred. I hope someone has any idea how I could cure this issue. Any advice will be very appreciated.

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