WARNING: This page is about a different car, the 2006 Suzuki Verona. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect the negative battery cable.
Disconnect the EGR valve wiring harness connector.
Remove the EGR valve.
Remove the EGR valve gasket.
Fig 1: Removing/Installing EGR Valve And Retaining Bolts