Subaru 2008 IMPREZA - Manual (Page 143)

the following.
. If the battery voltage drops below the
permissible level within 15 minutes of
depression of the button, continuous
operation is canceled and the rear window
defogger stops operating 15 minutes later.
. If the battery voltage drops below the
permissible level after the rear window
defogger has, following depression of the
button, operated for 15 minutes, stopped
operating for two minutes, and started
operating again, the rear window defogger
immediately stops operating.
CAUTION
. Do not use sharp instruments or
window cleaner containing abra-
sives to clean the inner surface
of the rear window. They may
damage the conductors printed
on the window.
. To prevent the battery from being
discharged, do not operate the
defogger continuously for any
longer than necessary.
NOTE
. If your vehicle is equipped with the
outside mirror defogger, the outside
mirror defogger operates while the rear
window defogger is operating.
. Turn on the rear window defogger if
the wiper is frozen to the glass.
Windshield wiper deicer (if
equipped)
Manual climate control system
Automatic climate control system
Instruments and controls
3-35
– CONTINUED –