Pioneer AVIC-80DVD Manuel D'installation page 21

2. Fix to the floor with tapping screws.
CAUTION
• Before drilling any mounting holes, confirm that the screws will not interfere
with any of the car's operating systems (such as the fuel line, brake lines,
electrical wiring, etc.).
Floor
Tapping screw
Drill 4 to 4.5 mm
diameter holes.
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