2021 TOYOTA PRIUS parking brake

6067-2. Steps to take in an emergency
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If “See Owner’s Manual” is shown
●If “Braking Power Low Stop in a Safe Place See Owner’s Manual” is shown,
this may be a malfunction. Immediately stop the vehicle in a sa fe place and
contact your Toyota dealer. Continuing to drive the vehicle may be danger-
ous.
● If “Engine Oil Pressure Low” is shown, this may be a malfunction. Immedi-
ately stop the vehicle in a safe place and contact your Toyota dealer.
● If the following messages are shown, there may be a malfunction . Immedi-
ately have the vehicle inspected by your Toyota dealer.
• “Hybrid System Malfunction”
• “Check Engine”
• “Hybrid Battery System Malfunction”
• “Accelerator System Malfunction”
• “Smart Key System Malfunction See Owner’s Manual”
■ If “Shift System Not A ctive Apply Parking Brake Securely While Parking
See Owner’s Manual” is shown
Indicates a temporary operation failure or malfunction in the shift control sys-
tem. Immediately have the vehicle inspected by your Toyota deal er.
When the message is shown, the hybrid system may not be started or the
shift position may not be changed normally. (Coping method: P. 609)
■ If “Shift System Malfunction A pply Parking Brake Securely While Park-
ing See Owner’s Manual” is shown
Indicates a malfunction in the shift control system. Immediatel y have the vehi-
cle inspected by your Toyota dealer.
When the message is shown, the hybrid system may not be started or the
shift position may not be changed normally. (Coping method: P. 609)
■ If “ Switch Malfunction Apply Par king Brake Securely While Parking
See Owner’s Manual” is shown
The P position switch may not operate. Immediately have the veh icle
inspected by your Toyota dealer.
When parking the vehicle, stop the vehicle on level ground and apply the
parking brake firmly.
■ If “Shift System Malfunction Shi fting Unavailable See Owner’s M anual”
is shown
Indicates a malfunction in the shift control system. Immediatel y have the vehi-
cle inspected by your Toyota dealer.
The shift position may not be shifted from P to other than P.
■ If “Shift System Malfunction S top in a Safe Place See Owner’s Manual”
is shown
Indicates a malfunction in the shift control system. Immediatel y have the vehi-
cle inspected by your Toyota dealer.
The shift position may not be changed. Stop the vehicle in a sa fe place.

6077-2. Steps to take in an emergency
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When trouble arises
■If “Shift System Malfunction See Owner’s Manual” is shown
Indicates a malfunction in the shift control system. Immediatel y have the sys-
tem inspected by your Toyota dealer.
The system may not operate properly.
■ If “Low 12-Volt Battery Apply Parking Brake Securely While Park ing See
Owner’s Manual” is shown
Indicates that the 12-volt battery charge is insufficient. Char ge or replace the
12-volt battery.
● When the message is shown, the hybrid system may not start or t he shift
position may not be changed normally. (Coping method: P. 609)
● After charging the 12-volt battery, the message may not go off until the shift
position is changed from P.
■ If “Shifting Unavailable Low 12-Volt Battery See Owner’s Manual ” is
shown
Indicates that the shift position cannot be changed because the voltage of the
12-volt battery drops. Charge or replace the 12-volt battery.
(Coping method in the case the 12-volt battery is discharged: P. 650)
■ If “Hybrid System Overheated. Reduced Output Power.” is shown
The message may be shown when driving under severe operating co nditions.
(For example, when driving up a long steep hill or driving up a steep hill in
reverse.)
Coping method: P. 656
■ If “Maintenance required for Traction battery cooling parts See owner’s
manual” is shown
The filter may be clogged, the air intake vent may be blocked or there may be
a gap in the duct.
● If the air intake vent is dirty, refer to P. 551 for information on how to clean
the air intake vent.
● If the message is shown when the air intake vent is not dirty, have the vehi-
cle inspected by your Toyota dealer.
■ If “Traction Battery Needs to be Protected Refrain From the Use of
Position” is shown
This message may be displayed when the shift position is in N.
As the hybrid battery (traction battery) can not be charged when the shift
position is in N, shift the shift position to P when the vehicle is stopped.
■ If “Traction Battery Needs to be Protected Shift into to Resta rt” is
shown
This message is displayed when the hybrid battery (traction battery) charge
has become extremely low because the vehicle has been left with the N shift
position selected for a certain amount of time.
When operating the vehicle, shift to P and restart the hybrid s ystem.

6097-2. Steps to take in an emergency
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7
When trouble arises
■If “Radar Cruise Control Unavailable See Owner’s Manual” is sho wn
The dynamic radar cruise control with full-speed range system is suspended
temporarily or until the problem shown in the message is resolv ed. (causes
and coping methods: P. 294)
■ If “Radar Cruise Control Unavailable” is shown
The dynamic radar cruise control with full-speed range system c annot be
used temporarily. Use the system when it becomes available agai n.
■ If “Maintenance Required Soon” is displayed (U.S.A. only)
Indicates that all maintenance according to the driven distance on the mainte-
nance schedule
* should be performed soon.
Comes on approximately 4500 miles (7200 km) after the message has been
reset.
If necessary, perform maintenance. Please reset the message aft er the main-
tenance is performed. ( P. 506)
*: Refer to the separate “Scheduled Maintenance Guide” or “Owner’ s Manual
Supplement” for the maintenance interval applicable to your veh icle.
■ If “Maintenance Required Visit Your Dealer” is displayed (U.S.A . only)
Indicates that all maintenance is required to correspond to the driven distance
on the maintenance schedule
*.
Comes on approximately 5000 miles (8000 km) after the message has been
reset. (The indicator will not work properly unless the message has been
reset.)
Perform the necessary maintenance. Please reset the message aft er the
maintenance is performed. ( P. 506)
*: Refer to the separate “Scheduled Maintenance Guide” or “Owner’ s Manual
Supplement” for the maintenance interval applicable to your veh icle.
■ If the shift position cannot be changed or the power switch is turned to
ACCESSORY mode even if trying to turn the power switch off when a
warning message is shown
If the 12-volt battery is discharged or the shift control syste m is malfunction-
ing, the followings may occur.
● The shift position may not be changed to P.
When parking, stop the vehicle on level ground and apply the pa rking brake
firmly.
● The hybrid system may not start.
● The power switch may be turned to ACCESSORY mode even if trying to
turn the power switch off.
In this case, the power switch may be turned off after applying the parking
brake.
● The automatic P position selection function ( P. 258) may not operate.
Before turning the power switch off, be sure to press the P pos ition switch
and check that the shift position is in P by the shift position indicator or P
position switch indicator.

6127-2. Steps to take in an emergency
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●Stop the vehicle in a safe place on a hard, flat surface.
● Set the parking brake.
● Shift the shift position to P.
● Stop the hybrid system.
● Turn on the emergency flashers.
● Check the degree of the tire damage.
A tire should only be repaired
with the emergency tire punc-
ture repair kit if the damage is
caused by a nail or screw pass-
ing through the tire tread. • Do not remove the nail or screw from the tire. Remov-
ing the object may widen the
opening and make emer-
gency repair with the repair
kit impossible.
• To avoid sealant leakage, move the vehicle until the area of the
puncture, if known, is positioned at the top of the tire.
■A flat tire that cannot be repaired with the emergency tire pun cture
repair kit
In the following cases, the tire cannot be repaired with the em ergency tire
puncture repair kit. Contact your Toyota dealer.
●When the tire is damaged due to driving without sufficient air pressure
●When there are any cracks or damage at any location on the tire , such
as on the side wall, except the tread
●When the tire is visibly separated from the wheel
●When the cut or damage to the tr ead is 0.16 in. (4 mm) long or more
●When the wheel is damaged
●When two or more tires have been punctured
●When more than one sharp objects such as nails or screws have p assed
through the tread on a single tire
●When the sealant has expired
Before repairing the tire

631
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When trouble arises
7-2. Steps to take in an emergency
If you have a flat tire (vehicles with spare
tire)
●Stop the vehicle in a safe place on a hard, flat surface.
● Set the parking brake.
● Shift the shift position to P.
● Stop the hybrid system.
● Turn on the emergency flashers. ( P. 580)
Your vehicle is equipped with a spare tire. The flat tire can b e
replaced with the spare tire.
For details about tires: P. 5 3 2
WARNING
■If you have a flat tire
Do not continue driving with a flat tire.
Driving even a short distance wit h a flat tire can damage the tire and the
wheel beyond repair, which cou ld result in an accident.
Before jacking up the vehicle

6437-2. Steps to take in an emergency
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7
When trouble arises
WARNING
■When using the compact spare tire (if equipped)
●Remember that the spare tire provided is specifically designed for use
with your vehicle. Do not use yo ur spare tire on another vehicle.
●Do not use more than one compact spare tire simultaneously.
●Replace the spare tire with a st andard tire as soon as possible .
●Avoid sudden acceleration, abrupt steering, sudden braking and shift-
ing operations that cause sudden engine braking.
■When the compact spare tire is attached (if equipped)
The vehicle speed may not be co rrectly detected, and the following sys-
tems may not operate correctly:
Also, not only can the following system not be utilized fully, but it may
even negatively affect the drive-train components:
• E-Four (Electric Four wheel drive system)
*
*
: If equipped
■Speed limit when using the co mpact spare tire (if equipped)
Do not drive at speeds in excess of 50 mph (80 km/h) when a com pact
spare tire is installed on the vehicle.
The compact spare tire is not designed for driving at high spee ds. Fail-
ure to observe this precaution ma y lead to an accident causing death or
serious injury.
■After using the tools and jack
Before driving, make sure all t he tools and jack are securely i n place in
their storage locatio n to reduce the possibility of personal in jury during a
collision or su dden braking.
• ABS & Brake assist
• VSC
•TRAC
• EPS
• AHB (Automatic High Beam)
*
• PCS (Pre-Collision System)*
• LTA (Lane Tracing Assist)*
• Dynamic radar cruise control
with full-speed range
*
• Cruise control*
• BSM (Blind Spot Monitor)*
• Intuitive parking assist*
• Parking Support Brake function*
• S-APGS (Simple Advanced Parking Guidance System)
*
• Rear view monitor system
• Navigation system
*

6467-2. Steps to take in an emergency
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One of the following may be the cause of the problem:
● The 12-volt battery may be discharged. ( P. 650)
● One or both of the 12-volt battery terminals may be disconnecte d.
(  P. 524)
Contact your Toyota dealer if the problem cannot be repaired, o r if repair
procedures are unknown.
When the hybrid system does not start, the following steps can be
used as an interim measure to sta rt the hybrid system if the power
switch is functioning normally.
Do not use this starting procedur e except in cases of emergency.
Set the parking brake.
Turn the power switch to ACCESSORY mode.
Press and hold the power switch for about 15 seconds while
depressing the brake pedal firmly.
Even if the hybrid system can be started using the above steps, the
system may be malfunctioning. Hav e the vehicle inspected by your
Toyota dealer.
The interior lights and headlights do not turn on, or the horn
does not sound.
Emergency start function
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6497-2. Steps to take in an emergency
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When trouble arises
■Stopping the hybrid system
Set the parking brake, shift the shift position to P and press the power switch
as you normally do when stopping the hybrid system.
■ Replacing the key battery
As the above procedure is a temporary measure, it is recommende d that the
electronic key battery be replaced immediately when the battery is depleted.
( P. 560)
■ Changing power switch modes
Release the brake pedal and press the power switch in step abo ve. The
hybrid system does not start and modes will be changed each tim e the switch
is pressed. ( P. 247)
■ When the electronic key does not work properly
●Make sure that the smart key system has not been deactivated in the cus-
tomization setting. If it is off, turn the function on.
(Customizable features: P. 690)
● Check if battery-saving mode is set. If it is set, cancel the f unction.
( P. 198)
WARNING
■ When using the mechanical key and operating the power windows o r
moon roof (if equipped)
Operate the power window or moon roof after checking to make su re that
there is no possibility of any passenger having any of their body parts
caught in the window or moon roof.
Also, do not allow children to operate the mechanical key. It is possible for
children and other passengers to get caught in the power window or moon
roof.
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