Cadillac 2007 DTS Owner's Manual page 383

To be sure the vent hose (A) is properly attached,
the vent hose connectors (B) must be securely
reattached to the vent outlets (C) on each side of
the battery, and the vent assembly grommet (D)
must be secured to the floor pan (E).
Vehicle Storage
If you are not going to drive your vehicle for
25 days or more, remove the black, negative ( )
cable from the battery. This will help keep
your battery from running down.
CAUTION:
{
Batteries have acid that can burn you and
gas that can explode. You can be badly
hurt if you are not careful. See Jump
Starting on page 384 for tips on working
around a battery without getting hurt.
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