2022 TOYOTA PRIUS PLUG-IN HYBRID check engine

5165-6. Driving tips
Prius Plug-in Hybrid_OM_OM47E75E_(EE)
Winter driving tips
OUse fluids that are appropriate to the prevailing outside tempera-
tures.
• Engine oil
• Engine/power control unit coolant
• Washer fluid
OHave a service technician inspect the condition of the 12-volt bat-
tery.
OHave the vehicle fitted with four snow tires or purchase a set of tire
chains for the front tires.
Ensure that all tires are the same size and brand, and that chains match
the size of the tires.
Perform the following according to the driving conditions:
ODo not try to forcibly open a window or move a wiper that is frozen.
Pour warm water over the frozen area to melt the ice. Wipe away
the water immediately to prevent it from freezing.
OTo ensure proper operation of the climate control system fan,
remove any snow that has accumulated on the air inlet vents in
front of the windshield.
OCheck for and remove any excess ice or snow that may have accu-
mulated on the exterior lights, vehicle’s roof, chassis, around the
tires or on the brakes.
ORemove any snow or mud from the bottom of your shoes before
getting in the vehicle.
Carry out the necessary preparations and inspections before
driving the vehicle in winter. Always drive the vehicle in a man-
ner appropriate to the prevailing weather conditions.
Preparation for winter
Before driving the vehicle

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7Maintenance and care
Prius Plug-in Hybrid_OM_OM47E75E_(EE)7-1. Maintenance and care
Cleaning and protecting
the vehicle exterior .......... 566
Cleaning and protecting
the vehicle interior ........... 572
7-2. Maintenance
Maintenance
requirements.................... 578
7-3. Do-it-yourself maintenance
Do-it-yourself service
precautions ...................... 581
Hood .................................. 584
Positioning a floor jack ....... 586
Engine compartment.......... 587
Tires ................................... 600
Tire inflation pressure ........ 608
Wheels ............................... 610
Replacing the tire ............... 612
Air conditioning filter .......... 624
Wiper insert
replacement ..................... 628
Electronic key battery ........ 631
Checking and replacing
fuses ................................ 634
Light bulbs ......................... 638

5797-2. Maintenance
Prius Plug-in Hybrid_OM_OM47E75E_(EE)
7
Maintenance and care
QWhere to go for maintenance service?
In order to maintain your vehicle in the best possible condition, Toyota recom-
mends that maintenance service operations as well as other inspections and
repairs be carried out by authorized Toyota retailers or Toyota authorized
repairers, or any reliable repairers. For repairs and services covered by your
warranty, please visit an authorized Toyota retailer or repairer, who will use
genuine Toyota parts in repairing any difficulties you may encounter. There
can also be advantages in utilizing authorized Toyota retailers or repairers for
non-warranty repairs and services, as members of the Toyota network will be
able to expertly assist you with any difficulties you may encounter.
Your Toyota retailer or Toyota authorized repairer, or any reliable repairer will
perform all of the scheduled maintenance on your vehicle reliably and eco-
nomically due to their experience with Toyota vehicles.
QDoes your vehicle need repairs?
Be on the alert for changes in performance and sounds, and visual tip-offs
that indicate service is needed. Some important clues are:
OEngine missing, stumbling or pinging
OAppreciable loss of power
OStrange engine noises
OA fluid leak under the vehicle (However, water dripping from the air condi-
tioning system after use is normal.)
OChange in exhaust sound (This may indicate a dangerous carbon monoxide
leak. Drive with the windows open and have the exhaust system checked
immediately.)
OFlat-looking tires, excessive tire squeal when cornering, uneven tire wear
OVehicle pulls to one side when driven straight on a level road
OStrange noises related to suspension movement
OLoss of brake effectiveness, spongy feeling brake pedal, pedal almost
touches the floor, vehicle pulls to one side when braking
OEngine coolant temperature continually higher than normal (P. 659, 703)
If you notice any of these clues, take your vehicle to any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer as soon as pos-
sible. Your vehicle may need adjustment or repair.

5887-3. Do-it-yourself maintenance
Prius Plug-in Hybrid_OM_OM47E75E_(EE)
With the engine at operating temperature and turned off, check the oil
level on the dipstick.
QChecking the engine oil
Park the vehicle on level ground. After warming up the engine
and turning off the hybrid system, wait more than 5 minutes for
the oil to drain back into the bottom of the engine.
Holding a rag under the end,
pull the dipstick out.
Wipe the dipstick clean.
Reinsert the dipstick fully.
Holding a rag under the end, pull the dipstick out and check th e
oil level.
Low
Normal
Excessive
Wipe the dipstick and reinsert it fully.
Engine oil
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5897-3. Do-it-yourself maintenance
Prius Plug-in Hybrid_OM_OM47E75E_(EE)
7
Maintenance and care
QAdding engine oil
If the oil level is below or near
the low level mark, add engine
oil of the same type as that
already in the engine.
Make sure to check the oil type and prepare the items needed
before adding oil.
Remove the oil filler cap by turning it counterclockwise.
Add engine oil slowly, checking the dipstick.
Install the oil filler cap by turning it clockwise.
Q Engine oil consumption
A certain amount of engine oil will be consumed while driving. In the following
situations, oil consumption may increase, and engine oil may ne ed to be
refilled in between oil maintenance intervals.
O When the engine is new, for example directly after purchasing the vehicle or
after replacing the engine
O If low quality oil or oil of an inappropriate viscosity is used
O When driving at high engine speeds or with a heavy load, or when driving
while accelerating or decelerating frequently
O When leaving the engine idling for a long time, or when driving frequently
through heavy traffic
Engine oil selection P. 715
Oil quantity (Low  Full)1.5 L (1.6 qt., 1.3 lmp. qt.)
ItemsClean funnel
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5907-3. Do-it-yourself maintenance
Prius Plug-in Hybrid_OM_OM47E75E_(EE)
WARNING
QUsed engine oil
O Used engine oil contains potentially harmful contaminants which may
cause skin disorders such as inflammation and skin cancer, so c are
should be taken to avoid prolonged and repeated contact. To rem ove used
engine oil from your skin, wash thoroughly with soap and water.
O Dispose of used oil and filters only in a safe and acceptable manner. Do
not dispose of used oil and filters in household trash, in sewe rs or onto the
ground. Call any authorized Toyota retailer or Toyota authorize d repairer,
or any reliable repairer, service station or auto parts store f or information
concerning recycling or disposal.
O Do not leave used engine oil within the reach of children.
NOTICE
QTo prevent serious engine damage
Check the oil level on a regular basis.
Q When replacing the engine oil
O Be careful not to spill engine oil on the vehicle components.
O Avoid overfilling, or the engine could be damaged.
O Check the oil level on the dipstick every time you refill the vehicle.
O Be sure the engine oil filler cap is properly tightened.

5927-3. Do-it-yourself maintenance
Prius Plug-in Hybrid_OM_OM47E75E_(EE)
QCoolant selection
Only use “Toyota Super Long Life Coolant” or a similar high qua lity ethylene
glycol based non-silicate, non-am ine, non-nitrite, and non-borate coolant with
long-life hybrid organic acid technology.
“Toyota Super Long Life Coolant” is a mixture of 50% coolant an d 50% deion-
ized water. (Minimum temperature: -35 C [-31F])
For more details about coolant, contact any authorized Toyota r etailer or
Toyota authorized repairer, or any reliable repairer.
Q If the coolant level drops within a short time of replenishing
Visually check the radiator, hoses, engine/power control unit c oolant reservoir
caps, drain cock and water pump.
If you cannot find a leak, have any authorized Toyota retailer or Toyota autho-
rized repairer, or any reliable repairer, test the cap and chec k for leaks in the
cooling system.
WARNING
Q When the hybrid system is hot
Do not remove the engine/power control unit coolant reservoir c aps.
The cooling system may be under pressure and may spray hot cool ant if the
cap is removed, causing serious injuries, such as burns.
NOTICE
Q When adding coolant
Coolant is neither plain water nor straight antifreeze. The correct mixture of
water and antifreeze must be used to provide proper lubrication , corrosion
protection and cooling. Be sure to read the antifreeze or coola nt label.
Q If you spill coolant
Be sure to wash it off with water to prevent it from damaging p arts or paint.

5937-3. Do-it-yourself maintenance
Prius Plug-in Hybrid_OM_OM47E75E_(EE)
7
Maintenance and care
Check the radiator and condenser and clear away any foreign objects.
If either of the above parts is extremely dirty or you are not sure of
their condition, have your vehicle inspected by any authorized To y o t a
retailer or Toyota authorized repairer, or any reliable repaire r.
Radiator and condenser
WARNING
QWhen the hybrid system is hot
Do not touch the radiator or condenser as they may be hot and c ause seri-
ous injuries, such as burns.
Q When the electric cooling fans are operating
Do not touch the engine compartment.
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. Be sure the power switch is off when working near the electric cool-
ing fans or radiator grille.