TOYOTA RAV4 PRIME 2021 Owners Manual
Manufacturer: TOYOTA, Model Year: 2021, Model line: RAV4 PRIME, Model: TOYOTA RAV4 PRIME 2021Pages: 618, PDF Size: 24.18 MB
Page 511 of 618

5118-2. Steps to take in an emergency
8
When trouble arises
■Brake system warning light (warning buzzer)
■Brake system warning light
■Charging system warning light*
*: This light illuminat es on the multi-information display.
If a warning light turns  on or a warning buzzer 
sounds
Calmly perform the following actions if any of the warning 
lights comes on or flashes. If a light comes on or flashes, but  
then goes off, this does not necessarily indicate a malfunc-
tion in the system. However, if this continues to occur, have 
the vehicle inspected by your Toyota dealer.
Actions to the warning lights or warning buzzers
Warning lightDetails/Actions
(U.S.A.)
(Canada) (Red)
Indicates that:
 The brake fluid  level is low; or
 The brake system is malfunctioning
 Immediately stop the vehicle in a safe 
place and contact your Toyota dealer. 
Continuing to drive the vehicle may be 
dangerous.
Warning lightDetails/Actions
(Yellow)
Indicates a malfunction in:
The parking brake system;
 The regenerative braking system; or
 The electronically controlled brake system
 Have the vehicle inspected by your Toyota 
dealer immediately.
Warning lightDetails/Actions
Indicates a malfunction in  the vehicle’s charging 
system
 Immediately stop the vehicle in a safe 
place and contact your Toyota dealer.  
Page 512 of 618

5128-2. Steps to take in an emergency
■High coolant temperature warning light* (warning buzzer)
*: This light illuminates on the mu lti-information display with a message.
■Hybrid system overheat warning light* (warning buzzer)
*: This light illuminates on the mu lti-information display with a message.
■Low engine oil pressure warning light* (warning buzzer)
*: This light illuminates on the mu lti-information display with a message.
■Malfunction indicator lamp*
*: This light illuminat es on the multi-information display.
Warning lightDetails/Actions
Indicates that the engine is overheating
 Immediately stop the vehicle in a safe 
place.
Handling method ( P.544)
Warning lightDetails/Actions
Indicates that the hybrid system has overheated
 Stop the vehicle in a safe place.
Handling method ( P.544)
Warning lightDetails/Actions
Indicates that the engine oil pressure is too low
 Immediately stop the vehicle in a safe 
place and contact your Toyota dealer. 
Warning lightDetails/Actions
(U.S.A.)
(Canada)
Indicates a malfunction in:
 The hybrid system;
 The electronic engi ne control system;
 The electronic throttle control system; or
 The emission control s ystem (if equipped)
 Have the vehicle inspected by your Toyota 
dealer immediately. 
Page 513 of 618

5138-2. Steps to take in an emergency
8
When trouble arises
■SRS warning light
■ABS warning light
■Electric power steering system warning light* (warning 
buzzer)
*: This light illuminat es on the multi-information display.
Warning lightDetails/Actions
Indicates a malfunction in:
The SRS airbag system;
 The front passenger o ccupant classification 
system; or
 The seat belt pretensioner system
 Have the vehicle inspected by your Toyota 
dealer immediately.
Warning lightDetails/Actions
(U.S.A.)
(Canada)
Indicates a malfunction in:
 The ABS; or
 The brake assist system
 Have the vehicle inspected by your Toyota 
dealer immediately.
Warning lightDetails/Actions
(Red/yellow)
Indicates a malfunction in the EPS (Electric 
Power Steeri ng) system
 Have the vehicle inspected by your Toyota 
dealer immediately. 
Page 514 of 618

5148-2. Steps to take in an emergency
■PCS warning light (warning buzzer)
■LTA indicator* (warning buzzer)
*: This light illuminat es on the multi-information display.
■Intuitive parking assist OFF indicator* (warning buzzer)
Warning lightDetails/Actions
(Flashes or illuminates)
When a buzzer sounds simultaneously:
Indicates a malfunction has occurred in the PCS 
(Pre-Collision System).
Have the vehicle inspected by your Toyota 
dealer immediately.
When a buzzer does not sound: 
The PCS (Pre-Collision System) has become 
temporarily unavailable, corrective action may 
be necessary.
 Follow the instructions displayed on the 
multi-information display. ( P.313, 526)
If the PCS (Pre-Collision System) or VSC (Vehi-
cle Stability Control)  system is disabled, the 
PCS warning light will illuminate.
 P.322
Warning lightDetails/Actions
(Orange)
Indicates a malfunction  in the LTA (Lane Trac-
ing Assist)
 Follow the instructions displayed on the 
multi-information display. ( P.332)
Warning lightDetails/Actions
(If equipped)
When a buzzer sounds:
Indicates a malfunction  in the Intuitive parking 
assist function
 Have the vehicle inspected by your Toyota 
dealer immediately.
When a buzzer does not sound:
Indicates that the system is temporarily unavail-
able, possibly due to a sensor being dirty or cov-
ered with ice, etc.
 Follow the instructions displayed on the 
multi-information display. ( P.359, 523) 
Page 515 of 618

5158-2. Steps to take in an emergency
8
When trouble arises
*: This light illuminat es on the multi-information display.
■PKSB OFF indicator* (warning buzzer)
*: This light illuminates on the multi-information display.
■BSM OFF indicator* (warning buzzer)
*: This light illuminates on the multi-information display.
Warning lightDetails/Actions
(If equipped)
If “Parking Support Brake Malfunction Visit Your 
Dealer” is displayed on  the multi-information 
display:
Indicates a malfunctio n in the PKSB (Parking 
Support Brake) system
 Have the vehicle inspected by your Toyota 
dealer immediately.
If “Parking Assist Unavailable” is displayed on 
the multi-information display:
Indicates that the system is temporarily unavail-
able, possibly due to a sensor being dirty or cov-
ered with ice, etc.
 Follow the instructions displayed on the 
multi-information display. ( P.367, 523)
Warning lightDetails/Actions
Indicates a malfunction  in the BSM (Blind Spot 
Monitor) function
 Have the vehicle inspected by your Toyota 
dealer immediately.
Indicates that the rear bumper around the radar 
sensor is covered with dirt, etc. ( P.350)
 Follow the instructions displayed on the 
multi-information display. ( P.348, 523) 
Page 516 of 618

5168-2. Steps to take in an emergency
■RCTA OFF indicator* (warning buzzer)
*: This light illuminat es on the multi-information display.
■Slip indicator light
■Brake Override System/Drive-Start Control/PKSB (if 
equipped) warning light* (warning buzzer)
*: This light illuminates on the mu lti-information display with a message.
Warning lightDetails/Actions
(If equipped)
Indicates a malfunctio n in the RCTA (Rear 
Cross Traffic Alert) function
 Have the vehicle inspected by your Toyota 
dealer immediately.
Indicates that the rear bumper around the radar 
sensor is covered with dirt, etc. ( P.350)
 Follow the instructions displayed on the 
multi-information display. ( P.348, 523)
Warning lightDetails/Actions
Indicates a malfunction in:
The VSC/Trailer Sway Control system;
 The TRAC system;
 The Trail Mode function; or
 The hill-start assist control system
 Have the vehicle inspected by your Toyota 
dealer immediately.
Warning lightDetails/Actions
When a buzzer sounds:
Brake Override System is malfunctioning;
 Drive-Start Control is operating;
 Drive-Start Control is malfunctioning; or
 Parking Support Brake function (for static 
objects) (if equipped) is operating
 Follow the instructions displayed on the 
multi-information display and head-up 
display (if equipped).
When a buzzer does not sound:
Brake Override System is operating
 Release the accelerator pedal and 
depress the brake pedal. 
Page 517 of 618

5178-2. Steps to take in an emergency
8
When trouble arises
■Brake hold operated indicator (warning buzzer)
■Parking brake indicator
■Tire pressure warning light*
*: This light illuminat es on the multi-information display.
Warning lightDetails/Actions
(Flashes)
Indicates a malfunction in the brake hold system
Have the vehicle inspected by your Toyota 
dealer immediately.
Warning lightDetails/Actions
(U.S.A.)
(Flashes)
(Canada)
(Flashes)
It is possible that the par king 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 t urns off after the park-
ing brake is fully released, the system is operat-
ing normally.
Warning lightDetails/Actions
When the light comes on after blinking for 
approximately 1 minute (a buzzer does not 
sound):
Malfunction in the tire pressure warning system 
 Have the system checked by your Toyota 
dealer.
When the light comes on (a buzzer sounds):
Low tire inflation pressu re from natural causes
 Adjust the tire inflation pressure to the 
specified cold tire inflation pressure level. 
( P.555)
Low tire inflation pre ssure from flat tire
 Immediately stop the vehicle in a safe 
place.
Handling method ( P.520) 
Page 518 of 618

5188-2. Steps to take in an emergency
■Low fuel level warning light
■Driver’s and front passenger’s seat belt reminder light (warn-
ing buzzer*)
*: Driver’s seat belt warning buzzer:
The driver’s seat belt warning buzzer sounds to alert the drive r that his or 
her seat belt is not fastened. Onc e the power switch is turned to ON, the 
buzzer sounds. If the seat belt  is still unfastened, the buzzer sounds inter-
mittently for a certain period o f time after the vehicle reaches a certain 
speed.
Front passenger’s seat belt warning buzzer:
The front passenger’s seat belt warning buzzer sounds to alert  the front 
passenger that his or  her seat belt is not fastened. If the sea t belt is 
unfastened, the buzzer sounds int ermittently for a certain period of time 
after the vehicle reaches a certain speed.
■Rear passengers’ seat belt reminder lights*1, 2 (warning 
buzzer*3)
*1: This light illuminates on the multi-information display.
*2: Regardless of whether  or not a rear passenger is present, this light will 
also illuminate for a certain period of tim e after the rear doo r is opened 
and closed.
*3: Rear passengers’ seat belt warning buzzer:
Warning lightDetails/Actions
Indicates that remaining fuel is approximately 
2.2 gal. (8.3 L, 1.8 Imp. gal.) or less
 Refuel the vehicle.
Warning lightDetails/Actions
Warns the driver and/or  front passenger to fas-
ten their seat belts
 Fasten the seat belt.
If the front passenger’s seat is occupied, 
the front passenger’s seat belt also needs 
to be fastened to m ake the warning light 
(warning buzzer) turn off.
Warning lightDetails/Actions
(If equipped)
Warns the rear passengers to fasten their seat 
belts
 Fasten the seat belt. 
Page 519 of 618

5198-2. Steps to take in an emergency
8
When trouble arises
The rear passengers’ seat belt w arning buzzer sounds to alert the rear 
passengers that his o r her seat belt is not fastened. If the se at belt is 
unfastened, the buzzer sounds intermittently for a certain peri od of time, 
after the seat belt is fastened  and unfastened and the vehicle  reaches a 
certain speed.
■Warning buzzer
In some cases, the buzzer may not 
be heard because of noisy place or 
an audio sound.
■Front passenger detection sen-
sor, seat belt  reminder and 
warning buzzer
●If luggage is placed on the front 
passenger seat, the front passen-
ger detection sensor may cause 
the warning light to flash and the 
warning buzzer to sound even if a 
passenger is not sitting in the 
seat.
●If a cushion is placed on the seat, 
the sensor may n ot detect a pas-
senger, and the warning light may 
not operate properly.
■SRS warning light
This warning light system monitors 
the airbag sensor assembly, front 
impact sensors, side impact sensors 
(front door), side  impact sensors 
(front), side impact sensors (rear), 
driver’s seat position sensor, front 
passenger occupant classification 
sensors, “AIR BAG ON” indicator 
light, “AIR BAG OFF” indicator light, 
front passenger’s  seat belt buckle 
switch, driver’s seat belt preten-
sioner, front passenger’s seat belt 
pretensioner and force limiter, air-
bags, interconnecting wiring and 
power sources. ( P.35)
■If the malfunction indicator 
lamp comes on while driving
First check the following:
●Is the fuel t ank empty?
If it is, fill the fuel tank immediately.
●Is the fuel tank cap loose?
If it is, tighten it securely. The light will go off after several 
driving trips.
If the light does not go off even after 
several trips, con
tact your Toyota 
dealer as soon as possible.
■Electric power steering system 
warning light (warning buzzer)
When the 12-volt battery charge 
becomes insufficien t or the voltage 
temporarily drops, the electric power 
steering system warning light may 
come on and the warning buzzer 
may sound.
At this time, the functions of the air 
conditioning, etc. may be partially 
limited in order to reduce the power 
consumption of the  12-volt battery.
■When the tire pressure warning 
light comes on
Inspect the tires to check if a tire is 
punctured.
If a tire is punctured:  P.527
If none of the tires are punctured:
Turn the power switch to OFF then 
turn it to ON. Check  if the tire pres-
sure warning light comes on or 
blinks.
If the tire pressur e warning light 
blinks for approximately 1 minute 
then stays on
There may be a malfunction in the 
tire pressure warning system. Have 
the vehicle inspected by your 
Toyota dealer immediately.
If the tire pressur e warning light 
comes on
1 After the temperature of the tires 
has lowered sufficiently, check 
the inflation pressure of each tire 
and adjust them to the specified 
level. 
Page 520 of 618

5208-2. Steps to take in an emergency
2If the warning light does not turn 
off even after several minutes 
have elapsed, check that the 
inflation pressure  of each tire is 
at the specified level and perform 
initialization. ( P.474)
■The tire pressure warning light 
may come on due to natural 
causes
The tire pressure  warning light may 
come on due to natural causes such 
as natural air leaks and tire inflation 
pressure changes caused by tem-
perature. In this case, adjusting the 
tire inflation pressure will turn off the 
warning light (afte r a few minutes).
■When a tire is replaced with a 
compact spare tire
The compact spare tire is not 
equipped with a tire pressure warn-
ing valve and transmitter. If a tire 
goes flat, the tire  pressure warning 
light will not turn o ff even though the 
flat tire has been replaced with the 
spare tire. Replace the spare tire 
with the standard tire and adjust the 
tire inflation pressure. The tire pres-
sure warning light  will go off after a 
few minutes.
■Conditions that the tire pres-
sure warning system may not 
function properly
 P.472
WARNING
■If a warning light comes on or 
a warning buzzer sounds 
when a warning message is 
shown on the multi-informa-
tion display
*
Check and follow the message 
shown on the multi-information 
display.
Failure to do so may result in 
death or serious injury.
*: Warning lights illuminate in red 
or yellow and  the warning 
buzzer beeps once or sounds 
continuously.
■When the electric power 
steering system warning light 
comes on
When the light comes on yellow, 
the assist to the power steering is 
restricted. When the light comes 
on red, the assis t to the power 
steering is lost and handling oper-
ations of the steering wheel 
become extremely heavy.
If the steering wheel becomes 
heavier than usual when operat-
ing, hold firmly and operate using 
more force th an usual.
■If the tire pressure warning 
light comes on
Be sure to observe the following 
precautions. Failure to do so 
could cause a loss of vehicle con-
trol and result in death or serious 
injury.
●Stop your vehicle in a safe 
place as soon as possible. 
Adjust the tire inflation pressure 
immediately.