Toyota 2007 Prius Owner's Manual page 128

Any of the following conditions may oc-
cur, but do not indicate the malfunc-
tion:
D
The red and yellow warning light may
stay on for about 60 seconds after the
hybrid system is started. It is normal
if it turns off after a while.
D
Depressing the brake pedal repeatedly
may turn on the red and yellow warn-
ing light. It is normal if the light turns
off and the buzzer stops sounding after
a few seconds.
D
You may hear a small sound in the
engine compartment after the hybrid
system is started or the brake pedal is
depressed repeatedly. This is a pump
pulsating sound of the brake system,
and it is not a malfunction.
D
You may hear a motor sound in the
engine compartment when the brake
pedal is depressed with the hybrid sys-
tem off.
D
The brake pedal stroke may be short
when you press the "POWER" switch
with the brake pedal depressed.
128
D
You may hear a sound in the engine
compartment when the driver's door is
opened or the brake pedal
pressed with the hybrid system turned
off. However, this does not indicate any
trouble.
D
You may hear a sound in the engine
compartment after the hybrid system is
turned on or off. However, this does
not indicate any trouble.
(b) Driver's Seat Belt Reminder Light
and Buzzer
The light and buzzer act as a reminder to
buckle up the driver's seat belt.
Once the "IG−ON" mode is enabled, the
reminder light flashes and the buzzer
sounds if the driver's seat belt is not fas-
tened. Unless the driver fastens the belt,
the light continues flashing and the buzzer
sounds 4 to 8 seconds.
If the vehicle speed rises above 20 km/h
(12 mph) without the belt fastened, a
buzzer sounds.
(c) Front Passenger's Seat Belt
Reminder Light and Buzzer
is de-
This light acts as a reminder to have the
front passenger buckle up the seat belt.
Once the "IG−ON" mode is enabled, the
reminder light flashes if a passenger sits
in the front passenger seat and does not
fasten the seat belt. Unless the front pas-
senger fastens the belt, the light continues
flashing.
If the vehicle speed rises above 20 km/h
(12 mph) without the belt fastened, a
buzzer sounds.
If luggage or other load is placed on the
front passenger seat, depending on its
weight, causing the reminder light to flash
and buzzer to sound.