See also:

Engine Compartment Overview
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Rear Seat
WARNING: Make sure luggage and cargo is secured before driving: Not securing cargo while driving is dangerous as it could move or be crushed during sudden braking or a collision and cause injury ...

Cargo & Towing
If it's not carrying six occupants, the Mazda5's measly cargo area can be expanded to 44 cubic feet by folding the third-row seat down. Fold the second- and third-row seats and there's 70.9 cubic ...