low oil pressure TOYOTA C-HR 2023 Owners Manual

1632. Instrument cluster
2
Instrument cluster
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Symbols on multi-information displayPages
Charging system warning light P. 679
Low engine oil pressure warning light P. 679
High engine coolant temperature warning light P. 684
Smart entry & start system P. 303
Hybrid system overheat warning light P. 757
Brake Override System/Drive-Start Control P. 685
WARNING
■ If a safety system warning light does not come on
Should a safety system light such as ABS and SRS airbag warning light not
come on when you start the hybrid system, this could mean that these sys-
tems are not available to help protect you in an accident, whic h could result
in death or serious injury. Have the vehicle inspected by any a uthorized
Toyota retailer or Toyota authorized repairer, or any reliable repairer.

5796-1. Maintenance and care
6
Maintenance and care
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■ Automatic car washes
● Fold the mirrors before washing the vehicle. Start washing from the front of
the vehicle. Make sure to extend the mirrors before driving.
● Brushes used in automatic car washes may scratch the vehicle surface,
parts (wheel, etc.) and harm your vehicle’s paint.
● Rear spoiler may not be washable in some automatic car washes. There
may also be an increased risk of damage to vehicle.
■ High pressure car washes
As water may enter the cabin, do not bring the nozzle tip near the gaps
around the doors or perimeter of the windows, or spray these ar eas continu-
ously.
■ Note for a smart entry & start system
If the door handle becomes wet while the electronic key is with in the effective
range, the door may lock and unlock repeatedly. In that case, f ollow the fol-
lowing correction procedures to wash the vehicle:
● Place the key in a position 2 m (6 ft.) or more separate from the vehicle
while the vehicle is being washed. (Take care to ensure that th e key is not
stolen.)
● Set the electronic key to battery-saving mode to disable the smart entry &
start system. ( P. 207)
■ Wheels and wheel ornaments (vehicles without matte black painted
wheels)
● Remove any dirt immediately by using a neutral detergent.
● Wash detergent off with water immediately after use.
● To protect the paint from damage, make sure to observe the following pre-
cautions.
• Do not use acidic, alkaline or abrasive detergent
• Do not use hard brushes
• Do not use detergent on the wheels when they are hot, such as after driv-
ing or parking in hot weather

5926-3. Do-it-yourself maintenance
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Tire inflation
pressure
( P. 630)
• Tire pressure gauge
• Compressed air source
Washer fluid
( P. 609)
• Water or washer fluid containing antifreeze (for win-
ter use)
• Funnel (used only for adding water or washer fluid)
WARNING
The engine compartment contains many mechanisms and fluids that may
move suddenly, become hot, or become electrically energized. To avoid death
or serious injury, observe the following precautions.
■ When working on the engine compartment
● Make sure that the “ACCESSORY” or “IGNITION ON” on the multi-infor-
mation display and the “READY” indicator are both off.
● Keep hands, clothing and tools away from the moving fan.
● Be careful not to touch the engine, power control unit, radiator, exhaust
manifold, etc., right after driving as they may be hot. Oil and other fluids
may also be hot.
● Do not leave anything that may burn easily, such as paper and rags, in the
engine compartment.
● Do not smoke, cause sparks or expose an open flame to fuel or the 12-volt
battery. Fuel and 12-volt battery fumes are flammable.
● Be extremely cautious when working on the 12-volt battery. It contains poi-
sonous and corrosive sulfuric acid.
● Take care because brake fluid can harm your hands or eyes and damage
painted surfaces. If fluid gets on your hands or in your eyes, flush the
affected area with clean water immediately. If you still experi ence discom-
fort, consult a doctor.
■ When working near the electric cooling fans or radiator grille
Be sure the power switch is off.
With the power switch in ON mode, the electric cooling fans may automati-
cally start to run if the air conditioning is on and/or the coo lant temperature
is high. ( P. 604)
■ Safety glasses
Wear safety glasses to prevent flying or falling material, flui d spray, etc.,
from getting in your eyes.
ItemsParts and tools

6336-3. Do-it-yourself maintenance
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6
Maintenance and care
■When replacing wheels
The wheels of your vehicle are equipped with tire pressure warn ing valves
and transmitters (except for compact spare tire) that allow the tire pressure
warning system to provide advance warning in the event of a los s in tire infla-
tion pressure. Whenever wheels are replaced, tire pressure warning valves
and transmitters must be installed. ( P. 616)
WARNING
■When replacing wheels
● Do not use wheels that are a different size from those recommended in the
Owner’s Manual, as this may resu lt in a loss of handling control.
● Never use an inner tube in a leaking wheel which is designed for a tube-
less tire. Doing so may result in an accident, causing death or serious
injury.
■ When installing the wheel nuts
● Be sure to install the wheel nuts with the tapered ends facing inward.
( P. 736) Installing the nuts with the tapered ends facing outward can
cause the wheel to break and eventually cause the wheel to come off
while driving, which could lead to an accident resulting in dea th or serious
injury.
● Never use oil or grease on the wheel bolts or wheel nuts.
Oil and grease may cause the wheel nuts to be excessively tight ened,
leading to bolt or disc wheel damage. In addition, the oil or grease can
cause the wheel nuts to loosen and the wheel may fall off, caus ing an acci-
dent and resulting in death or serious injury. Remove any oil o r grease
from the wheel bolts or wheel nuts.
■ Use of defective wheels prohibited
Do not use cracked or deformed wheels.
Doing so could cause the tire to leak air during driving, possi bly causing an
accident.

6797-2. Steps to take in an emergency
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7
When trouble arises
If a war ning light tur ns on or a warning
buzzer sounds
Calmly perform the following actions if any of the warning ligh ts
turn on or flash. If a light turns on or flashes, but then goes off,
this does not necessarily indicate a malfunction in the system.
However, if this continues to occur, have the vehicle inspected
by any authorized Toyota retailer or Toyota authorized repairer ,
or any reliable repairer.
Warning light and warning buzzer list
Warning lightWarning light/Details/Actions
(Red)
Brake system warning light (warning buzzer)
Indicates that:
• Low brake fluid; or
• Malfunction in the electronically controlled brake system
 Immediately stop the vehicle in a safe place and con-
tact any authorized Toyota retailer or Toyota autho-
rized repairer, or any reliable repairer.
Continuing to drive the vehicle may be dangerous.
*1
Low engine oil pressure warning light (warning buzzer)
Indicates abnormal engine oil pressure
The warning light may come on if the engine oil pressure
is too low.
A buzzer also sounds.
 Immediately stop the vehicle in a safe place and con-
tact any authorized Toyota retailer or Toyota autho-
rized repairer, or any reliable repairer. Continuing to
drive the vehicle may be dangerous.
*1Charging system warning light
Indicates a malfunction in the vehicle’s charging system
 Immediately stop the vehicle in a safe place and con-
tact any authorized Toyota retailer or Toyota autho-
rized repairer, or any reliable repairer.

6937-2. Steps to take in an emergency
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When trouble arises
■If a message that indicates the need for referring to Owner’s Manual is
displayed
● If “Engine Coolant Temperature High.”is shown, follow the instructions
(P. 755).
● If the following messages are shown, there may be a malfunction. Immedi-
ately stop the vehicle in a safe place and contact any authoriz ed Toyota
retailer or Toyota authorized repairer, or any reliable repaire r. Continuing to
drive the vehicle may be dangerous.
• “Braking Power Low.”
• “Charging System Malfunction.”
• “Engine Oil Pressure Low.”
● If the following messages are shown, there may be a malfunction. Immedi-
ately have the vehicle inspected by any authorized Toyota retai ler or Toyota
authorized repairer, or any reliable repairer.
• “Hybrid System Malfunction.”
• “Check Engine.”
• “Hybrid Battery System Malfunction.”
• “Accelerator system Malfunction.”
• “Entry & Start System Malfunction.”
• “Exhaust filter full.” (P. 529)
• “Hybrid System Stopped”
• “Engine Stopped”
● If the “Low 12-Volt Battery.” is shown,
• When the display goes off after several seconds (displays for about 6
seconds):
Maintain the hybrid system operation for more than 15 minutes a nd
charge the 12-volt battery.
• When the display does not go off:
Start up the hybrid system using the procedures: P. 747
● If “Maintenance required for Traction battery cooling parts. See owner’s
manual.” is shown, the filters may be clogged, the air intake v ents may be
blocked, or there may be a gap i n the duct. Therefore, perform the following
correction procedure.
• If the air intake vents and filters of the hybrid battery (tra ction battery) are
dirty, perform the procedure on P. 638 to clean them.
• If the warning message is shown when the air intake vents and filters of
the hybrid battery (traction battery) are not dirty, have the v ehicle
inspected by any authorized Toyota retailer or Toyota authorize d repairer,
or any reliable repairer immediately.

811Alphabetical index
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Warning buzzers
Blind Spot Monitor (BSM) ..... 435
Brake system ........................ 679
Lane Tracing Assist (LTA) .... 385
Open back door .................... 200
Open door ............................. 197
Pre-collision warning ............. 367
Radar cruise control .............. 418
RSA (Road Sign Assist) ........ 400
Parking brake ........................ 326
PKSB
(Parking Support Brake) ..... 681
Seat belt reminder................. 683
Toyota
parking assist-sensor.......... 456
Warning lights .......................... 157
ABS ....................................... 680
Brake Override System ......... 685
Brake system ........................ 679
Charging system ................... 679
Electric parking brake ... 682, 683
Electric power steering.......... 680
High coolant temperature...... 684
Low engine oil pressure ........ 679
Low fuel level ........................ 683
Malfunction indicator lamp .... 680
PKSB OFF indicator.............. 681
PCS....................................... 682
Seat belt reminder light ......... 683
Slip indicator ......................... 682
SRS....................................... 680
Tire pressure ......................... 684
Toyota parking assist-sensor
OFF indicator...................... 681
Warning messages .................. 690
Washer
Checking ............................... 609
Preparing and checking
before winter....................... 541
Switch ........................... 343, 346
Washing and waxing ............... 578
What to do if...
(Troubleshooting) ................. 794
Wheels ...................................... 632
Replacing wheels.................. 632
Size ....................................... 774
Window glasses....................... 275
Window lock switch ................ 275
Windows
Power windows ..................... 275
Rear window defogger .......... 550
Washer ......................... 343, 346
Windshield wipers ................... 343
Winter driving tips ................... 541
Wireless remote control key... 186
Locking/Unlocking......... 186, 192
Replacing the battery ............ 643
W
*: For vehicles with navigation/multimedia system, refer to
“Navigation and multimedia system Owner’s manual” or
“Multimedia owner’s manual”.