Possible Clues:

• Quiet swine pop confines in part of car
• Instrument panel of a motor vehicle
• Part of an automobile interior
• Motoring panel -- company directors?
• Speed counter goes on here?
• Panel of motorists to frustrate directors
• What has controls in place to run committee?
• Hurry and get on, but watch your speed here
• Bolt to piece of wood, forming panel
• Confound committee panel in 7 Across