Checked the workshop manual and they are located on the left front and rear suspension assemblies between bottom wishbones and the body by the looks of it...

Had a look under the bonnet and on the top of each light right next to the 1/4 pannels there is a covered hole which has U-->D... take the cover off and you should still be able to adjust it manually using a screwdriver and a target board. You lights just wont dip when loaded which can still be a problem??

PDF of aiming procedure (this is american ours will be opposite)