Toyota Prius 2007 Owner's Manual page 433

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Hold−down clamp Ground cable
83p001c
Terminals
Check the battery for corroded or loose
terminal connections, cracks, or loose
hold−down clamp.
a. If the battery is corroded, wash it off
with a solution of warm water and bak-
ing soda. Coat the outside of the termi-
nals with grease to prevent further cor-
rosion.
b. If the terminal connections are loose,
tighten their clamp nuts—but do not
overtighten.
c. Tighten the hold−down clamp
enough to keep the battery firmly in
place. Overtightening may damage the
battery case.
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NOTICE
D Be sure the hybrid system and all
accessories are off before perform-
ing maintenance.
D When checking the battery, remove
the ground cable from the negative
terminal ("–" mark) first and rein-
stall it last.
D Be careful not to cause a short cir-
cuit with tools.
D Take care no solution gets into the
battery when washing it.
If the 12 volt battery is disconnected or
run down, the power window and back
door may not operate automatically and
the jam protection function will not func-
tion correctly and does not open the back
door after you reconnect, replace or re-
charge the battery. In any of these cases,
you should normalize each system. To
normalize them, see "Power windows" on
page 43 and "Back door" on page 42.
Before you disconnect the 12 volt battery,
only
confirm the shift position is "P" and apply
the parking brake completely.
After you reconnect the 12 volt battery,
shift the shift lever to "N" and confirm the
shift position is "N" when the "IG−ON"
mode is enabled.
After connecting the cables, the hybrid
system may not start by pushing the
"POWER" switch. In that case, push it
once again.
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