Interior Fuse Box Location: 2007-2009 Pontiac G5 2007 Click to view0:17Some Pontiacs have multiple interior fuse boxes including in the trunk - the video above will show you where the interior fuse box of your 2007 G5 is located. If your G5 has many options like a sunroof, navigation, heated seats, etc, the more fuses it has. Pontiac G5 - 2007 Fuse Box Diagram diagramfusebox›PontiacPontiac G5 - 2007 Fuse Box Diagram. Home; Pontiac; G5 - 2007 Fuse Box; Turn and Lane-Change Signals. The turn signal has two upward (for right) and two. downward (for left) positions. These positions. allow you to signal a turn or a lane change. To signal a turn, move the lever all the way up or.