Page 148 of 812

1483-1. Key information
C-HR_OM_Europe_OM10528E 
■ Key battery depletion
Vehicles without a smart entry & start system 
If the wireless remote control function does not operate, the battery may be 
depleted. Replace the battery when necessary. ( P. 652)
Vehicles with a smart entry & start system 
● The standard battery life is 1 to 2 years. 
● If the battery becomes low, an alarm will sound in the cabin when the engine 
stops. ( P. 652) 
● As the electronic key always receives radio waves, the battery will become 
depleted even if the electronic key is not used. The following symptoms indi- 
cate that the electronic key battery may be depleted. Replace the battery 
when necessary. ( P. 652) 
• The smart entry & start system or the wireless remote control does not 
operate. 
• The detection area becomes smaller.
• The LED indicator on the key surface does not turn on. 
• The battery can be exchanged by the users. ( P. 652) However, as there 
may be damage to the key when exchanging, it is recommended to have
the battery exchanged at any authorized Toyota retailer or Toyota autho- 
rized repairer, or any reliable repairer. 
● To avoid serious deterioration, do not leave the electronic key within 1 m 
(3 ft.) of the following electrical  appliances that produce a magnetic field: 
•TVs 
• Personal computers 
• Cellular phones, cordless phones and battery chargers
• Recharging cellular phones or cordless phones 
• Table lamps 
• Induction cookers 
     
        
        Page 149 of 812
1493-1. Key information
3
Operation of each component
C-HR_OM_Europe_OM10528E 
■ When the key battery is fully depleted 
 P. 652 
■ Confirmation of the registered key number (vehicles with a smart entry & 
start system) 
The number of keys already registered to the vehicle can be confirmed. Ask 
any authorized Toyota retailer or Toyota authorized repairer, or any reliable 
repairer for details. 
■ If a wrong key is used 
On some models, the key cylinder rotates freely, isolated from the internal 
mechanism. 
■ Customization  
Settings (e.g. wireless remote control system) can be changed.  
(Customizable features:  P. 776) 
     
        
        Page 241 of 812

2414-2. Driving procedures
4
Driving
C-HR_OM_Europe_OM10528E 
■ Steering lock motor overheating prevention 
To prevent the steering lock motor from overheating, the motor may be sus- 
pended if the engine is turned on and off repeatedly in a short period of time.
In this case, refrain from operating the engine. After about 10 seconds, the 
steering lock motor will resume functioning. 
■ When “Entry & Start System Malfunction. See Owner’s Manual.” is dis- 
played on the multi-information display 
The system may be malfunctioning. Have the vehicle inspected by any autho- 
rized Toyota retailer or Toyota authorized repairer, or any reliable repairer
immediately. 
■ If the electronic key battery is depleted 
 P. 652 
■ Operation of the engine switch 
● If the switch is not pressed shortly and firmly, the engine switch mode may 
not change or the engine may not start. 
● If attempting to restart the engine immediately after turning the engine 
switch off, the engine may not start in some cases. After turning the engine 
switch off, please wait a few seconds before restarting the engine. 
■ If the smart entry & start system has been deactivated in a customized 
setting 
 P. 747 
     
        
        Page 582 of 812

5826-2. Using the interior lights
C-HR_OM_Europe_OM10528E
■Illuminated entry system
Vehicles without a smart entry & start system 
When the interior light switch is in the door position, the interior lights auto- 
matically turn on/off according to the engine switch position, whether the
doors are locked/unlocked and whether the doors are open/closed.
Vehicles with a smart entry & start system 
When the interior light switch is in the door position, the interior lights and 
engine switch light automatically turn on/off according to engine switch mode, 
the presence of the electronic key, whether the doors are locked/unlocked 
and whether the doors are open/closed. 
■ Outer mirror illumination (if equipped) 
The illumination automatically turns on according to the presence of the elec- 
tronic key (vehicles with a smart entr y & start system), or the doors are 
unlocked. 
■ To prevent battery discharge 
The following lights will turn off automatically after 20 minutes: 
● Interior light/front personal lights (if equipped) 
● Rear interior light (if equipped) 
● Luggage compartment light 
● Vanity lights (if equipped) 
■ Customization 
Settings (e.g. the time elapsed before lights turn off) can be changed.  
(Customizable features:  P. 776) 
     
        
        Page 749 of 812

7498-2. Steps to take in an emergency
8
When trouble arises
C-HR_OM_Europe_OM10528E
■Stopping the engine 
Set the parking brake, shift the shift leve r to P (Multidrive) or N (manual trans- 
mission) and press the engine switch as you normally do when stopping the 
engine. 
■ Replacing the key battery 
As the above procedure is a temporary measure, it is recommended that the 
electronic key battery be replaced immediately when the battery is depleted. 
( P. 652) 
■ Alarm (if equipped) 
Using the mechanical key to lock the doors will not set the alarm system.  
If a door is unlocked using the mechanical key when the alarm system is set,
the alarm may be triggered. 
■ Changing engine switch modes 
Release the brake pedal (Multidrive) or clutch pedal (manual transmission) 
and press the engine switch in step   above.  
The engine does not start and modes will be changed each time the switch is
pressed. ( P. 238) 
■ When the electronic key does not work properly 
● Make sure that the smart entry & start system and push button start has not 
been deactivated in the customization setting. If it is off, turn the function on.  
(Customizable features  P. 776) 
● Check if battery-saving mode is set. If it is set, cancel the function.  
( P. 173)
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 key. It is pos-
sible for children and other passengers to get caught in the power window.
3