3756-3. Do-it-yourself maintenance
6
Maintenance and care
C-HR_OM_USA_OM10526U
Remove the depleted battery.
When removing the cover, if the
battery cannot be seen due to the
electronic key module attaching to
the upper cover, remove the elec-
tronic key module from the cover
so that the battery is visible as
shown in the illustration.
Use an appropriate sized flathead
screwdriver when removing the
battery.
Insert a new battery with the “+” terminal facing up.
When installing, reverse the steps listed.
■Use a CR1620 (vehicles without a sm art key system) or CR2032 (vehicles
with a smart key system) lithium battery
● Batteries can be purchased at your Toyota dealer, local electrical appliance
shops or camera stores.
● Replace only with the same or equivalent type recommended by the manu-
facturer.
● Dispose of used batteries according to local laws.
■ If the key battery is depleted
The following symptoms may occur:
●The smart key system (if equipped) and wireless remote control will not
function properly.
● The operational range will be reduced.
3
4
4107-2. Steps to take in an emergency
C-HR_OM_USA_OM10526U
(Yellow)
Brake system warning lightIndicates a malfunction in the electric parking brake
→ Have the vehicle inspected by your Toyota dealer
immediately.
PCS warning light
When the warning light flashes (and a buzzer sounds):
Indicates a malfunction in the PCS (Pre-Collision System)
→ Have the vehicle inspected by your Toyota dealer
immediately.
When the warning light illuminates:
Indicates that the PCS (Pre-Collision System) is temporar-
ily unavailable, possibly due to either of the following:
• An area around the radar sensor or camera sensor being dirty or covered with condensation, ice, stickers,
etc.
→ Clear the dirt, condensation, ice, stickers, etc.
(→P. 206, 207)
• Radar sensor or camera sensor operational conditions (such as temperature, etc.) being not met
→ Driving is possible in th is case. The PCS (Pre-Colli-
sion System) will be enabled if the operational condi-
tions (such as temperature, etc.) are met again.
When the warning light is illuminated:
• Either the VSC (Vehicle Stability Control) system or PCS (Pre-Collision System) is disabled or both are disabled.
→ To enable the PCS, enable both the VSC system and
PCS. ( →P. 215, 281)
*2
(Flashes) (U.S.A.)
(Flashes) (Canada)
Parking brake indicator (warning buzzer) It is possible that the parking brake is not fully engaged or
released
→ Operate the parking brake switch once again.
This light comes on when the parking brake is not
released. If the light turns off after the parking brake is fully
released, the system is operating normally.
Warning lightWarning light/Details/Actions
4227-2. Steps to take in an emergency
C-HR_OM_USA_OM10526U■
If “A New Key has been Registered Contact Your Dealer for Details” is
shown (vehicles with a smart key system)
This message will be displayed each time the driver's door is opened when
the doors are unlocked from the outside for approximately one week after a
new electronic key has been registered.
If this message is displayed but you have not had a new electronic key regis-
tered, ask your Toyota dealer to check if an unknown electronic key (other
than those in your possession) has been registered.
■ If “Front camera unavailable” or “F ront camera vision blocked Clean and
demist windshield” is displayed.
The following systems may be suspended until the problem shown in the
message is resolved.
● PCS (Pre-Collision System)
● LDA (Lane Departure Alert with steering control)
● Dynamic radar cruise control with full-speed range
● Automatic High Beam
■ Warning buzzer
→P. 415
