Honda 2006 Accord Sedan Owner's Manual page 236

The battery gives off explosive
hydrogen gas during normal
operation.
A spark or flame can cause the
battery to explode with enough
force to kill or seriously hurt you.
Wear protective clothing and a
face shield, or have a skilled
mechanic do the battery
maintenance.
Vehicle Storage
If you need to park your vehicle for
an extended period (more than 1
month), there are several things you
should do to prepare it for storage.
Proper preparation helps prevent
deterioration and makes it easier to
get your vehicle back on the road. If
possible, store your vehicle indoors.
Checking the Battery, Vehicle Storage
Fill the fuel tank.
Change the engine oil and filter.
Wash and dry the exterior
completely.
Clean the interior. Make sure the
carpeting, floor mats, etc., are
completely dry.
235