warning SUBARU BRZ 2018 Repair Manual

164 2-1. Driving procedures
BRZ_U (A4450BE-A)
WARNING
■When driving on slippery road surfaces
●Sudden braking, acceleration and steering may cause tire slippage and
reduce your ability to control the vehicle, resulting in an accident.
● Sudden acceleration, engine braking due to shifting, or changes in engine
speed could cause the vehicle to skid, resulting in an accident.
● After driving through a puddle, lightly depress the brake pedal to make
sure that the brakes are functioni ng properly. Wet brake pads may prevent
the brakes from functioning properly. If the brakes on only one side are wet
and not functioning properly, steering control may be affected, resulting in
an accident.
■ When shifting the select lever or shift lever
●On vehicles with an automatic transmission, be careful not to shift the
select lever with the accelerator pedal depressed. Shifting the select lever
to a gear other than P or N may lead to unexpected rapid acceleration of
the vehicle that may cause an accident and result in death or serious
injury.
● Do not place items in the select lever’s or shift lever’s surrounding area. It
may cause incorrect operation.
● If the select lever’s or shift lever’s boot is pulled out during cleaning, return
it to its previous position. If the select lever’s or shift lever’s boot is left
pulled out, the select lever or shift lever may become difficult to operate.
■ If you hear a squealing or scrapin g noise (brake pad wear limit indica-
tors)
Have your SUBARU dealer check and replace the brake pads as soon as
possible.
Rotor damage may result if the pads are not replaced when needed.
It is dangerous to drive the vehicle when the wear limits of the brake pads
and/or those of the brake discs are exceeded. ( →P. 159)
■ Breaking-in of new brake pads and linings
A safe location and situation should be selected for break-in driving.

165
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When driving
BRZ_U (A4450BE-A)
WARNING
■
When the vehicle is stopped
● Do not race the engine.
If the vehicle is in any gear other than P or N (vehicles with an automatic
transmission only) or neutral (vehicles with a manual transmission), the
vehicle may accelerate suddenly and unexpectedly, causing an accident.
● Do not leave the vehicle with the engine running for a long time.
If such a situation cannot be avoided, park the vehicle in an open space
and check that exhaust fumes do not enter the vehicle interior.
● On vehicles with an automatic transmission, in order to prevent accidents
due to the vehicle rolling away, always keep depressing the brake pedal
while the engine is running, and apply the parking brake as necessary.
● If the vehicle is stopped on an incline, in order to prevent accidents caused
by the vehicle rolling forward or backward, always depress the brake pedal
and securely apply the parking brake as needed.
● Avoid revving or racing the engine.
Running the engine at high speed while the vehicle is stopped may cause
the exhaust system to overheat, which could result in a fire if combustible
material is nearby.

166 2-1. Driving procedures
BRZ_U (A4450BE-A)
WARNING
■When the vehicle is parked
●Do not leave glasses, cigarette lighters, spray cans, or soft drink cans in
the vehicle when it is in the sun.
Doing so may result in the following:
• Gas may leak from a cigarette lighter or spray can, and may lead to a
fire.
• The temperature inside the vehicle may cause the plastic lenses and plastic material of glasses to deform or crack.
• Soft drink cans may fracture, causing the contents to spray over the interior of the vehicle, and may also cause a short circuit in the vehi-
cle's electrical components.
● Do not leave cigarette lighters in the vehicle. If a cigarette lighter is in a
place such as the glove box or on the floor, it may be lit accidentally when
luggage is loaded or the seat is adjusted, causing a fire.
● Do not attach suction cups to the windshield or windows. Do not place
containers such as air fresheners on the instrument panel or dashboard.
Suction cups or containers may act as lenses, causing a fire in the vehicle.
● Do not leave a door or window open if the curved glass is coated with a
metallized film such as a silver-colored one. Reflected sunlight may cause
the glass to act as a lens, causing a fire.
● Always apply the parking brake, shift the select lever to P (vehicles with an
automatic transmission only), stop the engine and lock the vehicle.
Do not leave the vehicle unattended while the engine is running.
● Do not touch the exhaust pipe while the engine is running or immediately
after turning the engine off.
Doing so may cause burns.
● Do not leave the engine running in an ar ea with snow build-up, or where it
is snowing. If snowbanks build up around the vehicle while the engine is
running, exhaust gases may collect and enter the vehicle. This may lead
to death or a serious health hazard.

167
2-1. Driving procedures
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When driving
BRZ_U (A4450BE-A)
WARNING
■
Exhaust gases
Exhaust gases include harmful carbon monoxide (CO), which is colorless
and odorless. Inhaling exhaust gases may lead to death or a serious health
hazard.
● If the vehicle is in a poorly ventilated area, stop the engine. In a closed
area, such as a garage, exhaust gases may collect and enter the vehicle.
This may lead to death or a serious health hazard.
● The exhaust system should be checked occasionally. If there is a hole or
crack caused by corrosion, damage to a joint or abnormal exhaust noise,
be sure to have the vehicle inspected and repaired by your SUBARU
dealer. Failure to do so may allow exhaust gases to enter the vehicle,
resulting in death or a serious health hazard.
■ When taking a nap in the vehicle
Always turn the engine off. Otherwise, you may accidentally move the select
lever or shift lever, or depress the accelerator pedal, this could cause an
accident or fire due to engine overheati ng. Additionally, if the vehicle is
parked in a poorly ventilated area, exhaust gases may collect and enter the
vehicle, leading to death or a serious health hazard.

168 2-1. Driving procedures
BRZ_U (A4450BE-A)
WARNING
■When braking
●When the brakes are wet, drive more cautiously.
Braking distance increases when the brakes are wet, and this may cause
one side of the vehicle to brake differently than the other side. Also, the
parking brake may not securely hold the vehicle.
● If the power brake assist function does not operate, do not follow other
vehicles closely and avoid hills or sharp turns that require braking.
In this case, braking is still possible, but the brake pedal should be
depressed more firmly than usual. Also, the braking distance will increase.
Have your brakes fixed immediately.
● Do not pump the brake pedal if the engine stalls.
Each push on the brake pedal uses up the reserve for the power-assisted
brakes.
● The brake system consists of 2 individual hydraulic systems; if one of the
systems fails, the other will still operate. In this case, the brake pedal
should be depressed more firmly than usual and the braking distance will
increase.
Have your brakes fixed immediately.
CAUTION
■Pre-driving check
Trapping small animals in the cooling fan and belts of the engine may result
in a malfunction. Check that no small animal enters the engine compartment
and under the vehicle before starting the engine.
■ When driving the vehicle
Vehicles with an automatic transmission
●If the accelerator and brake pedals are depressed at the same time, driv-
ing torque may be restrained. This is not a malfunction.
● Do not use the accelerator pedal or depress the accelerator and brake
pedals at the same time to hold the vehicle on a hill.

176 2-1. Driving procedures
BRZ_U (A4450BE-A)
■Changing push-button ignition switch mode
Modes can be changed by pressing the push-button ignition switch
with the brake pedal (vehicles with an automatic transmission) or
clutch pedal (vehicles with a manual transmission) released. (The
mode changes each time the switch is pressed.)
Off*
The hazard warning flashers
can be used.
The keyless access with push
button start system indicator
light (green) is off.
“ACC” mode
Some electrical components
such as the power outlet can
be used.
The keyless access with push
button start system indicator
light (green) flashes slowly.
“ON” mode
All electrical components can
be used.
The keyless access with push
button start system indicator
light (green) flashes slowly.
*: Vehicles with an automatic transmission: If the select lever
is in a position other than P
when turning off the engine, the
push-button ignition switch will
be turned to “ACC” mode, not
to off.

180 2-1. Driving procedures
BRZ_U (A4450BE-A)
■Immediately after reconnecting the battery terminals due to replacing
the battery and so forth
The engine may not start. If this occurs, turn the push-button ignition switch
to “ON” mode, and start the engine after waiting at least 10 seconds. Idling
may be unstable immediately after the engine starts, however, this is not a
malfunction.
WARNING
■ When starting the engine
●Always start the engine while sitting in the driver’s seat. Do not depress
the accelerator pedal while starting the engine under any circumstances.
Doing so may cause an accident resulting in death or serious injury.
● If the keyless access with push button start system indicator light flashes
in green after the engine has started, nev er drive the vehicle. The steering
wheel is still locked, and it may result in an accident.
■ Caution while driving
If engine failure occurs while the vehicle is moving, do not lock or open the
doors until the vehicle reaches a safe and complete stop. Activation of the
steering lock in this circumstance may lead to an accident, resulting in death
or serious injury.
■ Stopping the engine
Do not touch the push-button ignition switch during driving.
When the push-button ignition switch is pressed for 2 seconds or longer or
pressed 3 times successively, the engine will stop. When the engine stops,
the brake booster will not function. A greater foot pressure will be required
on the brake pedal.
The power steering system will not operate either. A greater force will be
required to steer, and it may result in an accident.

184 2-1. Driving procedures
BRZ_U (A4450BE-A)
WARNING
■When starting the engine
Always start the engine while sitting in the driver's seat. Do not depress the
accelerator pedal while starting the engine under any circumstances.
Doing so may cause an accident resulting in death or serious injury.
■ Caution when driving
Do not turn the engine switch to the “LOCK” position while driving. If, in an
emergency, you must turn the engine off while the vehicle is moving, turn the
engine switch only to the “ACC” position to stop the engine. An accident may
result if the engine is stopped while driving.
CAUTION
■To prevent battery discharge
Do not leave the engine switch in the “ACC” or “ON” position for long periods
of time without the engine running.
■ When starting the engine
●Do not crank the engine for more than 10 seconds at a time. This may
overheat the starter and wiring system.
If the engine does not start, turn the engine switch to the “LOCK” position
and try to start the engine again after waiting for 10 seconds or more.
● Do not race a cold engine.
● If the engine becomes difficult to start or stalls frequently, have your vehi-
cle checked by your SUBARU dealer immediately.
● Vehicles with an automatic transmission: Do not shift the select lever while
the starter is operating.

189
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When driving
BRZ_U (A4450BE-A)
However, even when in manual mode, the gears will be automatically
changed in the following situations:
●
When vehicle speed drops (downshift only).
● When engine oil temperature is high and engine speed rises close
to the red zone.
■When moving the select lever out of P
If the select lever is pushed sideways before the brake pedal is depressed,
select lever operation may not be possible. Depress the brake pedal before
shifting the select lever out of P.
■ Downshifting restrictions warning buzzer
If downshifting operations are performed at a vehicle speed by which down-
shifting is not possible (when downshifting will cause the engine speed to
enter the red zone), a buzzer will sound to warn the driver that downshifting
cannot be performed.
■ When driving with cruise control activated
Downshifting can be performed even when using cruise control. After down-
shifting, the set speed continues. ( →P. 188, 190)
■ Sport mode
● In sport mode, lower gears are used and gears change at a higher
engine speed.
● If sport mode is changed to while the select lever is in the M position, the
“SPORT” indicator will come on but sport mode controls will not be car-
ried out. Shift the select lever to the D position.
● Sport mode cannot be changed to when driving with cruise control acti-
vated.
■ Snow mode
To prevent slipping, 1
st gear cannot be selected when in snow mode.
■ Sport mode and snow mode automatic deactivation
In the following situations, the driving mode is automatically deactivated:
● When the engine is turned off after driving in sport mode or snow mode.
● When cruise control is activated while driving in sport mode.

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When driving
BRZ_U (A4450BE-A)
■
Adaptive control
In order to realize smoother driving wh ile driving in D position, an appropri-
ate gear is automatically selected by limiting upshifting and performing
downshifting operations according to driver operations and driving condi-
tions.
● When driving uphill, prevents unnecessary upshifting and downshifting.
● When driving downhill, downshifting is performed at engine speeds
higher than usual.
● When driving on curves, prevents upshifting even when accelerating.
● When the brake pedal is depressed firmly, downshifting is automatically
performed, fully utilizing engine braking.
● When the accelerator pedal is suddenly released, prevents upshifting.
Adaptive control operates automatically when the select lever is in the D
position. (The function is canceled when the paddle shift levers are operated
or the select lever is shifted to the M position.)
WARNING
■ When driving on slippery road surfaces
Be careful of downshifting and sudden acceleration, as this could result in
the vehicle skidding to the side or spinning.
■ To prevent incorrect operation
Do not attach items such as accessories to the paddle shift levers.
Doing so may unintentionally move the paddle shift levers.