2022 SUBARU BRZ trim

Fuel
223
Starting and Operating7
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7-1. Fuel■
Fuel Requirements
The engine is designed to operate using
unleaded gasoline with an octane rating
of 93 AKI (98 RON) or higher .
If unleaded gasoline with an octane
rating of 93 AKI (98 RON) is not available,
unleaded gasoline with an octane rating of
91 AKI (95 RON) may be used with no
detriment to engine durability or
driveability.
However, you may notice a slight
decrease in maximum engine perfor-
mance and you may hear some knocking
(pinging) from the engine while using 91
AKI (95 RON) fuel. Use of 91 AKI (95 RON)
fuel will not affect your warranty
coverage.
▼
Fuel octane rating
Using a gasoline with a lower octane
rating can cause persistent and heavy
knocking, which can damage the engine.
Do not be concerned if your vehicle some-
times knocks lightly when you drive up a
hill or when you accelerate. See your
dealer or a qualified service technician if
you use a fuel with the specified octane
rating and your vehi cle knocks heavily or
persistently.
▽RON
This octane rating is the Research Octane
Number.
▽AKI
This octane rating is the average of the
Research Octane and Motor Octane
numbers and is commonly referred to as
the Anti Knock Index (AKI).
▼Unleaded gasoline
The neck of the fuel filler pipe is designed
to accept only an unleaded gasoline filler
nozzle. Under no circumstances should
leaded gasoline be used because it will
damage the emission control system and
may impair driveability and fuel economy. ▼
Reformulated gasoline
SUBARU supports the use of reformu-
lated gasoline when available. Reformu-
lated gasoline has been blended to burn
more cleanly and reduce vehicle emis-
sions.
▼MMT
Some gasoline contains an octane-
enhancing additive called MMT (Methylcy-
clopentadienyl Manganese Tricarbonyl). If
you use such fuels, your emission control
system performance may deteriorate and
the CHECK ENGINE warning light/
malfunction indicator light may turn on. If
this happens, return to your authorized
SUBARU Dealer for service. If it is deter-
mined that the condition is caused by the
type of fuel used, repairs may not be
covered by your warranty.
▼Gasoline for cleaner air
Your use of gasoline with detergent addi-
tives will help prevent deposits from
forming in your engi ne and fuel system.
This helps keep your engine in tune and
your emission cont rol system working
properly, and is a way of doing your part
for cleaner air. If you continuously use a
high quality fuel with the proper detergent
and other additives, you should never
CAUTION
 Use of a fuel which is low in
quality or use of an inappropriate
fuel additive may cause damage
to the engine and/or fuel system.Some gas stations, particularly
those in high altitude areas, offer
fuels posted as regular octane
gasoline with an octane rating
below 93 AKI (98 RON). Use of
those fuels are not recom-
mended.
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State Emission Testing (U.S. Only)
227
Starting and Operating7
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▼
If the fuel filler lid cannot be opened
If the fuel filler lid cannot be opened due to
a malfunction or a dead battery, it can be
opened from the trunk. 1. Remove the access cover at the right-
side of the trunk trim.
1) Lever2. Push the yellow lever to unlock the fuel
filler lid.
7-2. State Emission Testing (U.S. Only)California and a number of federal states
have Inspection/Maintenance programs
to inspect your vehicle’s emission control
system. If your vehicle does not pass this
test, some states may deny renewal of
your vehicle’s registration.
Your vehicle is equipped with a computer
that monitors the performance of the
engine’s emission control system. Certi-
fied emission inspectors will inspect the
On-Board Diagnostic (OBDII) system as
part of the state emission inspection
process. The OBDII system is designed to
detect engine and transmission problems
that might cause the vehicle emissions to
exceed allowable limits. OBDII inspec-
tions apply to all 1996 model year and
newer passenger cars and trucks. Over
30 states plus the District of Columbia

Immediately put fuel in the tank
whenever the low fuel warning
light illuminates. Engine misfires
as a result of an empty tank could
cause damage to the engine.
Continuing to operate your
vehicle at an extremely low fuel
level may result in a reduction of
engine performance.
702789
1
702790
CAUTION
Resultant vehicle damage due to
improper testing is not covered
under the SUBARU Limited War-
ranty and is the responsibility of the
state inspection program or its con-
tractors or licensees.
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Exterior Care
333
Appearance Care10
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▼
Using a warm water washer
 Keep a good distance of 12 in (30 cm)
or more between the washer nozzle and
the vehicle.
 Do not wash the same area continu-
ously.
 If a stain will not come out easily, wash
by hand. Some warm water washers are
of the high temperature, high pressure
type, and they can damage or deform the
resin parts such as mouldings, or cause
water to leak in to the vehicle.
■
Waxing and Polishing
Always wash and dry the vehicle before
waxing and polishing.
Use a good quality polish and wax and
apply them according to the manufac-
turer’s instructions. Wax or polish when
the painted surface is cool. Be sure to polish and wax the chrome trim,
as well as the painted surfaces. Loss of
wax on a painted surface leads to loss of
the original luster and also quickens the
deterioration of the surface. It is recom-
mended that a coat of wax be applied at
least once a month, or whenever the
surface no longer repels water.
If the appearance of the paint has dimin-
ished to the point where the luster or tone
cannot be restored, lightly polish the
surface with a fine-grained compound.
Never polish just the affected area, but
include the surrounding area as well.
Always polish in only one direction. A No.
2000 grain compound is recommended.
Never use a coarse-grained compound.
Coarser grained compounds have a
smaller grain-size number and could
damage the paint. After polishing with a
compound, coat with wax to restore the
original luster. Frequent polishing with a
compound or an incorrect polishing tech-
nique will result in removing the paint layer
and exposing the undercoat. When in
doubt, it is always best to contact your
SUBARU dealer or an auto paint
specialist.
NOTEBe careful not to block the windshield
washer nozzles with wax when waxing
the vehicle.■
Cleaning Alloy Wheels
 Promptly wipe the alloy wheels clean of
any kind of grime or agent. If dirt is left on
too long, it may be difficult to clean off.
 Do not use soap containing grit to clean
the wheels. Be sure to use a neutral
cleaning agent, and later rinse thoroughly
with water. Do not clean the wheels with a
stiff brush or expose them to a high-speed
washing device.
 Clean the vehicle (including the alloy
wheels) with water as soon as possible
when it has been splashed with sea water,
exposed to sea breezes, or driven on
roads treated with salt or other agents.
CAUTION
 Be careful not to damage brake
hoses, sensor harnesses, and
other parts when washing
suspension components.Be careful not to flush the engine
bottom for a long time. It may
cause damage of some electrical
parts.
CAUTION
Do not use any agents with organic
solvents on the surface of the bulb
assembly cover. However, if a pol-
ish or wax with organic solvents is
applied to the cover surface, com-
pletely wipe off the polish or wax.
Otherwise, the cover surface may
be damaged.
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Tire Information
399
Consumer Information and Reporting Safety Defects13
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Occupant distribution
Distribution of occupants in a
vehicle as specified in the third
column of Table 1 that is appended
to the end of this section.
 Open splice
Any parting at any junction of tread,
sidewall, or innerliner that extends
to cord material.
 Outer diameter
The overall diameter of an inflated
new tire.
 Overall width
The linear distance between the
exteriors of the sidewalls of an
inflated tire, including elevations
due to labeling, decorations, or
protective bands or ribs.
 Passenger car tire
A tire intended for use on passenger
cars, multipurpose passenger vehi-
cles, and trucks, that have a gross
vehicle weight rating (GVWR) of
10,000 lbs (4,535 kg) or less. 
Ply
A layer of rubber-coated parallel
cords.
 Ply separation
A parting of rubber compound
between adjacent plies.
 Pneumatic tire
A mechanical device made of
rubber, chemicals, fabric and steel
or other materials, that, when
mounted on an automotive wheel,
provides the traction and contains
the gas or fluid that sustains the
load.
 Production options weight
The combined weight of those
installed regular production options
weighing over 5.1 lbs (2.3 kg) in
excess of those standard items
which they replace, not previously
considered in curb weight or acces-
sory weight, including heavy duty
brakes, ride levelers, roof rack,
heavy duty battery, and special trim. 
Radial ply tire
A pneumatic tire in which the ply
cords that extend to the beads are
laid at substantially 90 degrees to
the centerline of the tread.
 Recommended inflation pres-
sure
The cold inflation pressure recom-
mended by a vehicle manufacturer.
 Reinforced tire
A tire designed to operate at higher
loads and at higher inflation pres-
sures than the corresponding stan-
dard tire.
 Rim
A metal support for a tire or a tire
and tube assembly upon which the
tire beads are seated.
 Rim diameter
Nominal diameter of the bead seat.
 Rim size designation
Rim diameter and width.
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