2023 TOYOTA TUNDRA HYBRID oil level

4596-3. Do-it-yourself maintenance
Owners Manual_USA_M0C052_en
6
Maintenance and care
 Items
Clean funnel
■Adding 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.
1 Remove the oil filler cap by
turning it counterclockwise.
2 Add engine oil slowly, check-
ing the dipstick.
3 Install the oil filler cap by
turning it clockwise.
■Engine oil consumption
A certain amount of engine oil will
be consumed while driving. In the
following situatio ns, oil consump-
tion may increase, and engine oil
may need to be ref illed in between
oil maintenance intervals.
●When the engine is new, for
example directly after purchasing
the vehicle or after replacing the
engine
●If low quality oil or oil of an inap-
propriate viscosity is used
●When driving at high engine
speeds or with a heavy load,
when towing, or when driving
while accelerating o r decelerating
frequently
●When leaving the engine idling for a long time, or when driving fre-
quently through heavy traffic
■After changing the engine oil
The engine oil maintenance data
should be reset. Pe rform the follow-
ing procedures:
1 Press or of the meter
control switches and select .
2 Press or of the meter
control switches, select the
“Vehicle Settings” and then press
.
3 Press or of the meter
control switches, select the “Oil
Maintenance” and then press
.
4 Select the “Yes” and push .
“Reset Complete” is displayed
on the multi-info rmation display.
WARNING
■Used engine oil
●Used engine oil contains poten-
tially harmful contaminants
which may cause skin disorders
such as inflammation and skin
cancer, so care should be taken
to avoid prolonged and
repeated contact. To remove
used engine oil from your skin,
wash thoroughly with soap and
water.
●Dispose of used oil and filters
only in a safe and acceptable
manner. Do not dispose of used
oil and filters in h ousehold trash,
in sewers or onto the ground.
Call your Toyota dealer, service
station or auto parts store for
information concerning recy-
cling or disposal.
●Do not leave used engine oil
within the reach of children.

4606-3. Do-it-yourself maintenance
Owners Manual_USA_M0C052_en
The coolant level is satisfactory
if it is between the “F” and “L”
lines on the reservoir when the
hybrid system is cold.
Engine coolant Engine coolant reservoir cap
“F” line
“L” line
If the level is on or below the “L”
line, add coolant up
to the “F” line.
(  P.535)
Intercooler coolant
Intercooler coolant reservoir
cap
“F” line
“L” line
If the level is on or below the “L”
line, add coolant up to the “F” line.
(  P.535)
Power control unit coolant
Power control unit coolant
reservoir cap
“FULL” line
NOTICE
■To prevent serious engine
damage
Check the oil level on a regular
basis.
■When replacing the engine oil
●Be careful not to spill engine oil
on the vehicle components.
●Avoid overfilling, or the engine
could be damaged.
●Check the oil le vel on the dip-
stick every time you refill the
vehicle.
●Be sure the engine oil filler cap
is properly tightened.
■If oil is spilled on the engine
cover
To prevent the engine cover from
being damaged, remove any
engine oil from the engine cover
as soon as possible using a neu-
tral detergent. Do not use an
organic solvent such as brake
cleaner.
Checking the coolant

5137-2. Steps to take in an emergency
Owners Manual_USA_M0C052_en
7
When trouble arises
If the warning message is shown
even if the vents are cleaned, have
the vehicle inspected by your Toyota
dealer.
■If “Shift to P Before Exiting
Vehicle” or “Shift to P when
Parked” is displayed
Message is displayed when the
driver’s door is opened without turn-
ing the power switch to OFF with the
shift lever in any position other than
P.
Shift the shift lever to P.
■If “Shift is in N Release Acceler-
ator Before Shif ting” is shown
Message is displayed when the
accelerator pedal has been
depressed and the shift lever is in N.
Release the accelerator pedal and
shift the shift lever to D, S or R.
■If “Auto Power OFF to Conserve
Battery” is displayed
Power was turned off due to the
automatic power off function.
Next time when starting the hybrid
system, increase the hybrid system
speed slightly and maintain that
level for approximately 5 minutes to
recharge the 12-volt battery.
■If “Headlight System Malfunc-
tion Visit Your Dealer” is dis-
played
The following systems may be mal-
functioning. Have the vehicle
inspected by your Toyota dealer
immediately.
●The LED headlight system
●The automatic headlight leveling
system (if equipped)
●Automatic High Beam
■If “Engine Oil Level Low Add or
Replace” is displayed
The engine oil le vel may be low.
Check the level of the engine oil,
and add engine oil if necessary. This
message may be di splayed if the
vehicle is stopped on a slope. Move the vehicle to a l
evel surface and
check if the message disappears.
■If “Hybrid System Stopped
Steering Power Low” is dis-
played
This message is displayed if the
hybrid system is stopped while driv-
ing.
When steering wheel operations are
heavier than usual, grip the steering
wheel firmly and operate it using
more force than usual.
■If “Maintenance Required
Soon” is displayed
Indicates that all maintenance
according to the driven distance on
the maintenance schedule
* should
be performed soon.
Comes on approximately 4500
miles (7200 km) after the message
has been reset.
If necessary, perform maintenance.
Please reset the m essage after the
maintenance is performed.
(  P.449)
*: Refer to the separate “Scheduled
Maintenance Guide” or “Owner’s
Manual Supplement” for the main-
tenance interval applicable to your
vehicle.
■If “Maintenance Required Visit
Your Dealer” is displayed
Indicates that all maintenance is
required to correspond to the driven
distance on the maintenance sched-
ule
*.
Comes on approximately 5000
miles (8000 km) after the message
has been reset. (The indicator will
not work properly unless the mes-
sage has been reset.)
Perform the necessary mainte-
nance. Please reset the message
after the maintenance is performed.
(  P.449)
*: Refer to the separate “Scheduled
Maintenance Guide” or “Owner’s

539
Owners Manual_USA_M0C052_en
8
8
Vehicle specifications
Vehicle specifications
8-1. SpecificationsMaintenance data (fuel, oil level, etc.) .................. 540
Fuel information .......... 549
Tire information ........... 551
8-2. Customization Customizable features 561
8-3. Initialization Items to initialize ......... 571

5408-1. Specifications
Owners Manual_USA_M0C052_en
8-1.Specifications
*1: Unladen vehicles
*2: Short Bed type
*3: Standard Bed type
*4: 265/70R18 tires
*5: 265/60R20 tires
*6: 285/65R18 tires
*7: 265/50R22 tires
Maintenance data (fuel, oil level, etc.)
Dimensions and weight
Overall length233.6 in. (5932 mm)*2
245.6 in. (6237 mm)*3
Overall width80.0 in. (2031 mm)
Overall height*1
2WD
76.7 in. (1949 mm)*2, 4
76.8 in. (1952 mm)*2, 5
76.9 in. (1953 mm)*3, 4
77.0 in. (1955 mm)*3, 5
4WD
77.3 in. (1964 mm)*2, 7
77.4 in. (1966 mm)*2, 4
77.5 in. (1968 mm)*2, 5
77.5 in. (1968 mm)*3, 4
77.6 in. (1969 mm)*3, 5
77.8 in. (1975 mm)*2, 6
Wheelbase145.7 in. (3700 mm)*2
157.7 in. (4005 mm)*3
Front tread
2WD68.4 in. (1737 mm)
4WD68.1 in. (1729 mm)*4, 5, 7
68.5 in. (1739 mm)*6
Rear tread68.4 in. (1737 mm)

5438-1. Specifications
Owners Manual_USA_M0C052_en
8
Vehicle specifications
■Oil capacity (Drain and refill
[Reference
*])
*: The engine oil capacity is a refer- ence quantity to be used when
changing the engine oil. Warm up
and turn off the engine, wait more
than 8 minutes, and check the oil
level on the dipstick.
■Engine oil selection
“Toyota Genuine Motor Oil” is
used in your Toyota vehicle. Use
Toyota approved “Toyota Genu-
ine Motor Oil” or equivalent to
satisfy the following grade and
viscosity.
Oil grade: ILSAC GF-6A multigrade engine
oil
Recommended viscosity: SAE
0W-20
Outside temperature
SAE 0W-20 is the best choice
for good fuel economy and good
starting in cold weather.
If SAE 0W-20 is not available,
SAE 5W-20 oil may be used.
However, it must be replaced
with SAE 0W-20 at the next oil
change.
Electric motor (traction motor)
Ty p ePermanent magnet synchronous motor
Maximum output36 kW
Maximum torque184 ft·lbf (250 N ·m, 25.5 kgf·m)
Hybrid battery (traction battery)
Ty p eNickel-Metal hydride battery
Voltage7.2 V/module
Capacity6.5 Ah
Quantity40 modules
Nominal voltage288 V
Lubrication system
With filter7.7 qt. (7.3 L, 6.4 Imp.
qt.)
Without
filter7.4 qt. (7.0 L, 6.2 Imp.
qt.)

Owners Manual_USA_M0C052_en
593Alphabetical Index
Alphabetical Index
A
A/C ........................................... 400Air conditioning filter ............. 479
Automatic air conditioning sys-tem ..................................... 400
Front seat concentrated airflow mode (S-FLOW) ................. 404
ABS (Anti-lock Brake System) ............................................... 374Warning light ........................ 503
Acoustic vehicle alerting system ................................................. 75
Active front spoiler ................ 388
Adaptive Variable Suspension System (AVS) ........................ 375
AHB (Automatic High Beam) . 214
AI-SHIFT .................................. 200
Air conditioning filter ............. 479
Air conditioning system ........ 400 Air conditioning filter ............. 479
Automatic air conditioning sys-tem ..................................... 400
Front seat concentrated airflow mode (S-FLOW) ................. 404
Air suspension ....................... 355
Airbags ...................................... 36 Airbag operating conditions.... 38
Airbag precautions for your child............................................. 41
Correct driving posture ........... 27
Curtain shield airbag operating conditions ............................. 39
Curtain shield airbag precautions ............................................. 41
Front passenger occupant clas- sification system ................... 46
General airbag precautions .... 41
Locations of airbags ............... 36
Modification and disposal of air- bags ..................................... 44
Side airbag operating conditions .............................................39
Side airbag precautions..........41
Side and curtain shield airbags operating conditions .............39
Side and curtain shield airbags precautions ...........................41
SRS airbags ...........................36
SRS warning light .................502
Alarm .........................................82 Warning buzzer ....................501
Ambient lights.........................410
Anchor brackets ... ..............55, 58
Antennas (smart key system)128
Anti-lock Brake System (ABS) ...............................................374Warning light.........................503
Approach warning ..................263
Armrest ......... ......................... ..425
Assist grips .............................425
Audio system-linked display ...98
AUTO LSD system ..................363
Automatic air conditioning sys- tem .........................................400
Automatic headlight leveling system ...................................212
Automatic High Beam ............214
Automatic light control system ............................................... 211
Automatic transmission.........200 If th e s hif t le ver ca n no t b e s hif te d from P .................................201
S mode .................................202
TOW HAUL switch................200
Auxiliary boxes .......................416
Average fuel economy .............97
Average vehicle speed .............98
AVS (Adaptive Variable Suspen- sion System) .........................375

600Alphabetical Index
Owners Manual_USA_M0C052_en
........................................... 214
Cargo lamp........................... 411
Fog light switch .................... 214
Headlight switch ................... 211
Interior lights................. 410, 411
Personal lights...................... 411
Replacing light bulbs ............ 490
Trailering light ....................... 158
Turn signal lever ................... 204
Vanity lights .......................... 431
Wattage ................................ 548
LTA (Lane Tracing Assist) ...... 242 Operation ............................. 242
Warning lights....................... 504
Warning messages............... 252
Luggage compartment features ............................................... 417Bed hooks ............................ 417
Deck divider ......................... 417
M
Maintenance Do-it-yourself maintenance .. 454
General maintenance ........... 449
Maintenance data................. 540
Maintenance requirements... 448
Malfunction indicator lamp.... 502
Manual headlight leveling dial ............................................... 213
Menu icons ............................... 96
Meter Boost Meter ............................ 94
Clock ...................................... 91
Engine oil pressure gauge ..... 91
Hybrid Power Meter ............... 94
Indicators................................ 89
Instrument panel light control . 94
Meter control switches ........... 96
Meters .................................... 91
Multi-information display ........ 95
Pitch and roll gauges.............. 94
Settings .................................. 99 Tow gauges ............................94
Voltmeter ................................91
Warning lights .................87, 501
Warning messages ............... 511
Meter control switches.............96
Mirrors Digital Rear-view Mirror ........146
Inside rear view mirror ..........145
Outside rear view mirror defog-gers ....................................401
Outside rear view mirrors .....155
Vanity mirrors........................431
Mode select switch TOW HAUL switch................203
Multi-information display .........95
Audio system-linked display ...98
Changing the display ..............96
Driving information display .....97
Dynamic radar cruise control with full-speed range ..........256
Fuel economy .........................97
Hybrid System Indicator .........97
Intuitive parking assist ..........274
LTA (Lane Tracing Assist) .....248
Menu icons .............................96
Meter control switches............96
Navigation system-linked display .............................................98
Settings ..................................99
Tire pressure ...... ..................468
Trailer settings ......................100
Vehicle information display .....98
Warning messages ............... 511
Multi-terrain Monitor...............344 Automatic display mode .......347
Camera switch......................344
Function................................345
Menu button .........................345
Multi-terrain Monitor precautions...........................................354
Screen display and functions347
Things you should know .......354