
7407-2. Steps to take in an emergency
C-HR_HV_OM_Europe_OM10720E
■The compact spare tire (if equipped) 
● The compact spare tire is identified by the label “TEMPORARY USE ONLY” 
on the tire sidewall. 
Use the compact spare tire temporarily, and only in an emergenc y. 
● Make  sure  to  check  the  tire  inflation  pressure  of  the  compact  spare  tire. 
( P. 776) 
■ When using the compact spare tire (if equipped) 
As  the  compact spare tire is not equipped with a tire pressure  warning valve 
and transmitter, low inflation pressure of the spare tire will  not be indicated by 
the tire pressure warning system. Also, if  you replace the comp act spare tire 
after the tire pressure warning light comes on, the light remai ns on. 
■ When the compact spare tire is equipped (if equipped) 
The  vehicle  height  may  become  lower  when  driving  with  the  compa ct  spare 
tire compared to when driving with standard tires. 
■ If  you have a flat front tire  on a  road covered with snow  or ice (vehicles 
with compact spare tire) 
Install  the  compact  spare  tire  on  one  of  the  rear  wheels  of  the   vehicle.  Per- 
form the following steps and fit tire chains to the front tires : 
Replace a rear tire with the compact spare tire.
Replace the flat front tire with the tire removed from the rear  of the vehicle. 
Fit tire chains to the front tires.
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2
3 

7427-2. Steps to take in an emergency
C-HR_HV_OM_Europe_OM10720E
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 your spare tire on another vehicle. 
● Do not use more than one compact spare tire simultaneously. 
● Replace the spare tire with a standard tire as soon as possible. 
● Avoid  sudden  acceleration,  abrupt  steering,  sudden  braking  and shifting 
operations that cause sudden engine braking. 
■ When the compact spare tire is attached (if equipped) 
The vehicle speed may not be correctly detected, and the follow ing systems 
may not operate correctly:
*: If equipped 
■ Speed limit when using the compact spare tire (if equipped) 
Do  not  drive  at  speeds  in  excess  of  80  km/h  (50  mph)  when  a  com pact 
spare tire is installed on the vehicle. 
The compact spare tire is not designed for driving at high spee ds. Failure to 
observe  this  precaution  may  lead  to  an  accident  causing  death  o r  serious 
injury. 
■ After using the tools and jack 
Before driving, make sure all the tools and jack are securely i n place in their 
storage location to reduce the possibility of personal injury d uring a collision 
or sudden braking.
• ABS & Brake assist
• VSC 
•TRC
• EPS 
• 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)*
• Toyota parking assist-sensor*
• S-IPA  (Simple  Intelligent  Parking 
Assist System)*
• Rear view monitor system*
• Navigation system* 

7437-2. Steps to take in an emergency
C-HR_HV_OM_Europe_OM10720E
7
When trouble arises
NOTICE
■Be  careful  when  driving  over  bumps  with  the  compact  spare  tire 
installed on the vehicle. (if equipped) 
The vehicle height may become lo wer when driving with the compact spare 
tire,  compared  to  when  driving  with  standard  tires.  Be  careful  when  driving 
over uneven road surfaces. 
■ Driving with tire chains and the compact spare tire (if equipped) 
Do not fit tire chains to the compact spare tire. 
Tire chains  may damage the vehicle body and adversely affect dr iving per- 
formance. 
■ When replacing the tires 
When removing or fitting the wheels, tires or the tire pressure  warning valve 
and transmitter, contact any authorized Toyota retailer or Toyo ta authorized 
repairer,  or  any  reliable  repaire r  as  the  tire  pressure  warning  valve  and 
transmitter may be damaged if not handled correctly. 
■ To avoid damage to the tire pressure warning valves and transmitters 
When a tire is repaired with liquid sealants, the tire pressure  warning valve 
and transmitter may not operate properly. If a liquid sealant i s used, contact 
any authorized Toyota retailer or Toyota  authorized repairer, o r any reliable 
repairer or other qualified service shop as soon as possible. 
Make sure  to replace  the tire  pressure  warning valve and  transm itter  when 
replacing the tire. ( P. 618) 

7487-2. Steps to take in an emergency
C-HR_HV_OM_Europe_OM10720E
■Stopping the hybrid system 
Set the parking brake, shift the shift lever 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. 645) 
■ Alarm (if equipped) 
Using the mechanical key to lock the doors will not set the ala rm system. 
If a door is unlocked using the mechanical key when the alarm s ystem is set, 
the alarm may be triggered. ( P. 147) 
■ 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. 306) 
■ When the electronic key does not work properly 
● Make  sure  that  the  smart  entry  &  start  system  has  not  been  deactivated  in 
the customization setting. If it is off, turn the function on. 
(Customizable features:  P. 781) 
● Check if battery-saving mode is set. If it is set, cancel the function.  
( P. 209)
WARNING
■When using the mechanical key and operating the power windows 
Operate the power window after checking to make sure that there  is no pos- 
sibility  of  any  passenger  having  any  of  their  body  parts  caught   in  the  side 
window. Also, do not allow children to operate the mechanical k ey. It is pos- 
sible for children and other passengers to get caught in the po wer window.
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7557-2. Steps to take in an emergency
C-HR_HV_OM_Europe_OM10720E
7
When trouble arises
WARNING
■When removing the 12-volt battery terminals 
Always remove the negative (-) terminal first. If the positive  (+) terminal con- 
tacts  any  metal  in  the  surrounding  area  when  the  positive  (+)  t erminal  is 
removed, a spark may occur, leading to a fire in addition to el ectrical shocks 
and death or serious injury. 
■ Avoiding 12-volt battery fires or explosions 
Observe  the  following precautions  to  prevent  accidentally  ignit ing the flam- 
mable gas that may be emitted from the 12-volt battery: 
● Make sure each jumper cable is connected to the correct terminal and that 
it is not unintentionally in contact with any other than the in tended terminal. 
● Do not allow the other end of the jumper cable connected to the “+” termi- 
nal to come into contact with any other parts or metal surfaces  in the area, 
such as brackets or unpainted metal. 
● Do not allow the + and - clamps of the jumper cables to come into contact 
with each other. 
● Do  not  smoke,  use  matches,  cigarette  lighters  or  allow  open  flame  near 
the 12-volt battery. 
■ 12-volt battery precautions 
The  12-volt  battery  contains  poisonous  and  corrosive  acidic  ele ctrolyte, 
while related parts contain lead and lead compounds. Observe th e following 
precautions when handling the 12-volt battery: 
● When  working  with  the  12-volt  battery,  always  wear  safety  glasses  and 
take  care  not  to  allow  any  battery  fluids  (acid)  to  come  into  c ontact  with 
skin, clothing or the vehicle body. 
● Do not lean over the 12-volt battery. 
● In  the  event  that  battery  fluid  comes  into  contact  with  the  skin  or  eyes, 
immediately wash the affected area with water and seek medical  attention. 
Place  a wet sponge or  cloth over the  affected area  until medica l attention 
can be received. 
● Always wash your hands after handling the 12-volt battery support, termi- 
nals, and other battery-related parts. 
● Do not allow children near the 12-volt battery. 

7567-2. Steps to take in an emergency
C-HR_HV_OM_Europe_OM10720E
WARNING
■After recharging the 12-volt battery (M20A-FXS engine) 
Have  the  12-volt  battery  inspected  at  any  authorized  Toyota  ret ailer  or 
Toyota  authorized  repairer,  or  any  reliable  repairer  as  soon  as   possible.  If 
the  12-volt  battery  is  deteriorating,  continued  use  may  cause  t he  12-volt 
battery to emit a malodorous gas, which may be detrimental to t he health of 
passengers. 
■ When replacing the 12-volt battery 
● When  the  vent  plug  and  indicator  are  close  to  the  hold  down  clamp,  the 
battery fluid (sulfuric acid) may leak. 
● For information regarding 12-volt  battery  replacement, contact any autho- 
rized Toyota retailer or Toyota authorized repairer, or any rel iable repairer. 
● M20A-FXS  engine:  After  exchanging,  securely  attach  the  exhaust hose 
and  exhaust  hole  plug  to  the  exhaust  hole  of  the  exchanged  12-v olt  bat- 
tery.  If  not  properly  installed,  gases  (hydrogen)  may  leak  into   the  vehicle 
interior, and there is the possible danger of the gas igniting  and exploding.
NOTICE
■When handling jumper cables 
When connecting the jumper cables, ensure that they do not beco me entan- 
gled in the cooling fans, etc. 
■ To prevent damaging the vehicle (M20A-FXS engine) 
The exclusive jump starting terminal is to be used when chargin g the 12-volt 
battery  from  another  vehicle  in  an  emergency.  It  cannot  be  used  to jump 
start another vehicle. 

7577-2. Steps to take in an emergency
C-HR_HV_OM_Europe_OM10720E
7
When trouble arises
If  your vehicle overheats
●The  needle  of  the  engine  coolant  temperature  gauge  (P.   1 6 6 ) 
enters  the  red  zone  or  a  loss  of  hybrid  system  power  is  experi- 
enced. (For example, the vehicle speed does not increase.) 
● “Hybrid  System  Overheated  Reduced  Output  Power.”  is  shown  on 
the multi-information display. 
● Steam comes out from under the hood.
■If the high coolant temperature warning light comes on 
Stop  the  vehicle  in  a  safe  place  and  turn  off  the  air  condition ing 
system, and then stop the hybrid system. 
If you see steam:  
Carefully lift the hood after the steam subsides. 
If you do not see steam: 
Carefully lift the hood. 
After the hybrid system has cooled down sufficiently, inspect t he 
hoses and radiator core (radiator) for any leaks. 
Radiator 
Cooling fans
If  a  large  amount  of  coolant  leaks,  immediately  contact  any  aut ho- 
rized  Toyota  retailer  or  Toyota  authorized  repairer,  or  any  rel iable 
repairer.
The following may indicate that your vehicle is overheating.
Correction procedures
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2ZR-FXE engineM20A-FXS engine 

7617-2. Steps to take in an emergency
C-HR_HV_OM_Europe_OM10720E
7
When trouble arises
WARNING
■To  prevent  an  accident  or  injury  when  inspecting  under  the  hood of 
your vehicle 
Observe the following precautions. 
Failure to do so may result in serious injury such as burns. 
● If  steam  is  seen  coming  from  under  the  hood,  do  not  open  the  hood until 
the steam has subsided. The engine compartment may be very hot. 
● After the hybrid system has been turned off, check that the indicator on the 
power switch and the “READY” indicator are off. 
When  the  hybrid  system  is  operating,  the  gasoline  engine  may  au tomati- 
cally  start,  or  the  cooling  fans  may  suddenly  operate  even  if  t he  gasoline 
engine  stops.  Do  not  touch  or  approach  rotating  parts  such  as  t he  fan, 
which may lead to fingers or clothing (especially a tie, a scar f or a muffler) 
getting caught, resulting in serious injury. 
● Do not loosen the coolant reservoir caps while the hybrid system and radi- 
ator are hot. 
High temperature steam or coolant could spray out.
NOTICE
■ When adding engine/power control unit coolant 
Add  coolant  slowly  after  the  hybrid  system  has  cooled  down  suff iciently. 
Adding cool coolant to a hot hybrid system too quickly can caus e damage to 
the hybrid system. 
■ To prevent damage to the cooling system 
Observe the following precautions: 
● Avoid contaminating the coolant with foreign matter (such as sand or dust, 
etc.). 
● Do not use any coolant additive.