Vauxhall Astra GTC (2011 - 2012) - fuse box diagram - Auto Vauxhall Astra GTC – fuse box – instrument panel. In left-hand drive vehicles, the fuse box is behind the storage compartment in the instrument panel. Open the compartment and push it to the left to unlock. Fold the compartment down and remove it. In right-hand drive vehicles, the fuse box is located behind a cover in the glovebox. Fuses and relays box diagram Opel/Vauxhall Astra H Fuse box in luggage compartment Astra H. Depending on the equipment version, there are two different fuse boxes in the luggage compartment for differing electrical circuits Identifiyng Fuse box version A.