Vauxhall Astra 5th Generation (Astra H) (2004 - 2010 Jul 29, 2018The fusebox is at the front left side of the engine compartment. To open the cover, release the catch by inserting a screwdriver into the opening as far as it will go and swivelling it to the side. Open the cover upwards and remove. Fuse layout, version A Vauxhall Astra 5th Generation – fuse box – engine compartment – version A Fuse box Opel/Vauxhall Astra J - fusesdiagram Load area Opel/Vauxhall Astra J. To access the fuses located in the trunk, turn it 90 ° to lock the hatch lid trim left sides and remove the cover. fuse box diagram.