Toyota Prius 2007 Pocket Reference Manual page 154

If the indicator or buzzer comes on...
(g)
(h)
(i)
(j)
(k)
(l)
(m)
Key reminder buzzer
P position reminder
(n)
buzzer
If any warning comes on, the hybrid system may not start by pushing the "POWER" switch. In that case, push it once again.
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Take vehicle to Toyota dealer immediately.
Close all doors.
Fill up tank.
Replace engine oil
Take vehicle to Toyota dealer. If red brake system warning light is also on, stop imme-
diately and contact Toyota dealer.
Adjust tire inflation pressure. If light remains on, contact Toyota dealer.
Remove key.
Push the "P" position switch.
Umar: 03214530584
Do this.
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