cluster km counter problem

[banana123]

the millage counter on my cluster tells me ive done 1000kms from almost half a tank.

anyone know why it does this and how to fix it?

[dc2r-0636]

What car ? Is the odometer electric or analogue ?
Is the speedometer Showing the correct speed?

[B005HA]

Do you have 12 inch tyres on it lol?? jks like above... what is the cluster? year and model