fuel additives TOYOTA SUPRA 2023 Owners Manual

3015-1. MOBILITY
5
MOBILITY
2.0 models
Toyota recommends AKI 91.
3.0 and 3.0 Premium models
Toyota recommends AKI 93.
Refuel with this gasoline to
achieve the rated performance
and consumption values.
The minimum grade is AKI 87.
If you use gasoline with this min-
imum AKI Rating, the engine
may produce knocking sounds
when starting at high external
temperatures. This has no effect
on the engine life.
This chapter describes all stan-
dard, country-specific and
optional features offered with
the series. It also describes fea-
tures that are not necessarily
available in your vehicle, for
WARNING
If drivability prob lems are encoun-
tered, we recommend switching
to a high quality gasoline brand
and a higher octane grade - AKI
number - for a few tank fills. To
avoid harmful engine deposits, it
is highly recommended to pur-
chase gasoline from Top Tier
retailers.
Failure to comply with these rec-
ommendations may result in the
need for unscheduled mainte-
nance.
NOTICE
Even small quantities of the
wrong fuel or wrong fuel additives
can damage the fuel system and
engine. Furthermore, the catalytic
converter is permanently dam-
aged. There is a risk of damage to
property. Do not refuel or add the
following in the case of gasoline
engines:

3045-1. MOBILITY
The oil filler neck is located in
the engine compartment, refer
to page 298.
1Open the hood, refer to page
299. 2
Open the lid counterclock-
wise.
3 Add engine oil.
4 Close the cap.
The engine oil quality is critical
for the life of the engine.
Only add the types of engine oil
which are listed.
Safety information
WARNING
Operating material
s, for instance
oils, greases, coolants, fuels, can
contain harmful ingredients.
There is a risk o f injuries or dan-
ger to life. Follow the instructions
on the containers. Avoid the con-
tact of articles of clothing, skin or
eyes with operating materials. Do
not refill operating materials into
different bottles. Store operating
materials out of reach of children.
NOTICE
An engine oil level that is too low
causes engine damage. There is
a risk of damage to property.
Immediately add engine oil.
NOTICE
Too much engine oil can damage
the engine or the catalytic con-
verter. There is a risk of damage
to property. Do not add too much
engine oil. When too much engine
oil is added, have the engine oil
level corrected by your Toyota
dealer.
Overview
Adding engine oil
Engine oil types to add
General information
Safety information
NOTICE
Oil additives can damage the
engine. There is a risk of damage
to property. Do not use oil addi-
tives.
NOTICE
Incorrect engine oil can cause
malfunctions in the engine or
damage it. There is a risk of dam-
age to property. When selecting
an engine oil, make sure that the
engine oil has the correct oil rat-
ing.

3085-1. MOBILITY
The washer fluid reservoir is
located in the engine compart-
ment.
The use of undiluted windshield
washer concentrate or alco-
hol-based antifreeze can lead to
incorrect readings at tempera-
tures below +5°F/-15°C.This chapter describes all stan-
dard, country-specific and
optional features offered with
the series. It also describes fea-
tures and functions that are not
necessarily available in your
vehicle, e.g., due to the selected
options or country versions. This
also applies to safety-related
functions and systems. When
using these functions and sys-
tems, the applicable laws and
regulations must be observed.
The maintenance system pro-
vides service notifications and
thereby provides support in
maintaining road safety and the
operational reliability of the vehi-
cle.
In some cases, scopes and
intervals of the maintenance
system may vary according to
the country version. Replace-
ment work, spare parts, fuels
and lubricants, and wear materi-
als are calculated separately.
Further information is available
from a Toyota dealer.
NOTICE
Silicon-containing additives in the
washer fluid for the water-repel-
ling effect on the windows can
lead to damage to the washing
system. There is a risk of damage
to property. Do not add sili-
con-containing additives to the
washer fluid.
NOTICE
Mixing different windshield
washer concentrates or antifreeze
can damage the washing system.
There is a risk of damage to prop-
erty. Do not mix
different wind-
shield washer concentrates or
antifreeze. Follow the information
and mixing ratios provided on the
containers.
Overview
Malfunction
Maintenance
Vehicle features and
options
Maintenance system