Page 461 of 640

461
4-3. Do-it-yourself maintenance
PRIUS_OM_OM47791U_(U)
4
Maintenance and care
■
Use a CR1632 lithium battery
● Batteries can be purchased at your Toyota dealer, local electrical appli-
ance shops or camera stores.
● Replace only with the same or equivalent type recommended by the
manufacturer.
● Dispose of used batteries according to local laws.
■ If the electronic key battery is depleted
The following symptoms may occur:
● The smart key system and wireless remote control will not function prop-
erly.
● The operational range will be reduced.
CAUTION
■Removed battery and other parts
These parts are small and if swallowed by a child, they can cause choking.
Keep away from children. Failure to do so could result in death or serious
injury.
NOTICE
■ For normal operation after replacing the battery
Observe the following precautions to prevent accidents:
● Always work with dry hands.
Moisture may cause the battery to rust.
● Do not touch or move any other component inside the remote control.
● Do not bend either of the battery terminals.
Page 520 of 640

520 5-2. Steps to take in an emergency
PRIUS_OM_OM47791U_(U)
Warning messageDetailsCorrection procedure
(If equipped) Indicates that the LKA (Lane-
Keeping Assist) is suspended
• The camera sensor tempera-
ture is higher than the opera-
tion temperature range.
• The power steering system operation is restricted. Restart the LKA
after driving for a
while.
Alerts the driver that the vehi-
cle is out of the lanes (while
the LKA [Lane-Keeping Assist]
system is operating). The warning buzzer sounds
continuously. The lane mark-
ings and/or the steering
wheel marking flash.
At the same time,
will appear on the
head-up display (the image
flashes). Check around the
vehicle and back to
inside of the lane
markings.
Indicates that the LKA (Lane-
Keeping Assist) system
detects nohanded driving
(while the lane keeping assist
function is operating). The warning buzzer sounds
twice. Grip the steering
wheel firmly.
The hybrid system has over-
heated. A buzzer also sounds.
This message may be dis-
played when driving under
severe operating conditions.
(For example, when driving
up a long steep hill.) Stop and check.
(
P. 556)
Page 625 of 640

625
Alphabetical index
PRIUS_OM_OM47791U_(U)
Back door
Back door ............................... 95
Smart key system ... ................ 63
Wireless remote control.......... 87
Back-up lights Replacing light bulbs ............ 473
Wattage ................................ 576
Battery Checking .............................. 437
If the 12-volt battery is
discharged ......................... 550
Preparing and checking
before winter ...................... 321
Bluetooth
®*
Bottle holders .......................... 366
Brake Fluid...................................... 574
Parking brake ....................... 214
Brake assist ............................. 300
Break-in tips ............................ 183
Brightness control Instrument panel light
control ................................ 219 Camera
*
Care
Exterior ..................................402
Interior ...................................405
Seat belts ..............................406
Cargo capacity .........................320
Cargo hooks .............................379
CD player
*
Chains .......................................323
Child restraint system
Booster seats, definition ........162
Booster seats, installation .....170
Convertible seats, definition .............................162
Convertible seats,
installation ...........................170
Front passenger occupant classification system ...........156
Infant seats, definition ...........162
Infant seats, installation.........170
Installing child restraint system with LATCH anchors ...........168
Installing child restraint system with seat belts .....................170
Installing child restraint system
with top tether strap ............174
BC
GW Refer to