From Henry Swindell (10.06):

In theory the Batmobile has never had a flat because according to the
Batman Handbook
<http://www.amazon.co.uk/Batman-Handbook-Chuck-Dixon/dp/1594740232/sr=8-
1/qid=1160489865/ref=pd_bbs_1/026-0546182-5434813?ie=UTF8> it has
re-inflating tyres.