Cadillac XT4 Owner's Manual page 268

Water in Fuel Troubleshooting
If a WATER IN FUEL message
illuminates:
Recommended
Problem
Message displays The fuel filter is
but turns off approximately
during the half full of water.
ignition cycle. Drain the water
immediately. See
"Removing Water
from the Fuel
Filter" later in
this section.
Problem
Message displays
and stays on.
Action
DRIVING AND OPERATING
Recommended
Action
Drain the fuel Immediately
filter after refuelling,
immediately. message displays
If no water can and stays on.
be drained, and
the temperature
is below freezing,
then water may
be frozen in the
filter. Move the
vehicle to a warm
location to thaw
the water, and
then drain the
fuel. If water still
does not drain,
see your retailer.
Recommended
Problem Action
A large amount
of water is in the
fuel tank. Drain
the fuel filter
immediately.
If the message
remains
illuminated,
or illuminates
again without
refuelling, then
fuel tank purging
is required. See
your dealer. If the
message displays
and the vehicle
stalls or running
is rough, do not
drive until the
water-contami-
nated fuel is
drained.
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