2011 SUBARU IMPREZA engine

7-40Starting and operating
NOTE
This device complies with Part 15 of
the FCC Rules and RSS-Gen of IC
Rules. Operation is subject to the
following two conditions: (1) this de-
vice may not cause harmful interfer-
ence, and (2) this device must accept
any interference received, including
interference that may cause undesiredoperation. Parking your vehicle &
Parking brake
To set the parking brake, depress the
brake pedal firmly and hold it down until
the parking brake lever is fully pulled up.
To release the parking brake, pull the lever
up slightly, press the release button, then
lower the lever while keeping the button pressed.
When the parking brake is set while the
engine is running, the parking brake
warning light illuminates. After starting
the vehicle, be sure that the warning light
has turned off before the vehicle is driven.
Refer to “Parking brake warning ”F 3-21.
CAUTION
Never drive while the parking brake
is set because this will cause un-
necessary wear on the brake lin-
ings. Before starting to drive, always
make sure that the parking brake
has been fully released.
& Parking tips
When parking your vehicle, always per-
form the following items. . Apply the parking brake firmly.
. For MT models, put the shift lever in the
“ 1 ” (1st) for upgrade or “R ”(Reverse) for a
downgrade.. For AT models, put the select lever in
the “P ”(Park) position.
Never rely on the transmission alone to
hold the vehicle.

When parking on a hill, always turn the
steering wheel. When the vehicle is
headed up the hill, the front wheels should
be turned away from the curb.
When facing downhill, the front wheels
should be turned into the curb.
WARNING
. Never leave unattended children
or pets in the vehicle. They could
accidentally injure themselves or
others through inadvertent op-
eration of the vehicle. Also, on
hot or sunny days, the tempera-
ture in a closed vehicle could
quickly become high enough to
cause severe or possibly fatal
injuries to people.
. Do not park the vehicle over
flammable materials such as dry
grass, waste paper or rags, as
they may burn easily if they come
near hot engine or exhaust sys-
tem parts.
. Be sure to stop the engine if you
take a nap in the vehicle. If
engine exhaust gas enters the
passenger compartment, occu-
pants in the vehicle could die
from carbon monoxide (CO) con-
tained in the exhaust gas.
CAUTION
If your vehicle has a front under-
spoiler and rear underspoiler (both
optional), pay attention to blocks and other obstructions on the
ground when parking. The under-
spoilers could be damaged by con-
tact with them.
Starting and operating
7-41

7-42Starting and operating
Hill start assist system (MT models –if equipped)
CAUTION
The Hill start assist system is a
device only for helping the driver
to START the vehicle on an uphill
grade. To prevent accidents when
the vehicle is parked on a slope, be
sure to firmly set the parking brake.
When setting the parking brake,
make sure that the vehicle remains
stationary when the clutch pedal isreleased.
The Hill start assist system is a device to
make starting on an uphill grade easier.
On an uphill grade, when the clutch pedal
is depressed while the brake pedal is also
depressed, braking power is maintained
temporarily by the Hill start assist system
when the brake pedal is released. The
driver is therefore able to start the vehicle
the same way as on a level grade, just
using the clutch and accelerator pedal.
The Hill start assist system does not
operate when the vehicle is facing down-
hill. And the Hill start assist system may
not operate on slight grades.
When starting in reverse and using the Hill
start assist system, a braking effect may
be felt even after the brake pedal has
been released. However, this braking
effect should disappear once the clutch
pedal is released. A slight jolt may be felt when the vehicle
begins to move forward after being re-versed.
If the braking power of the Hill start assist
system is insufficient after the brake pedal
is released, apply more braking power by
depressing the brake pedal again. &
To activate/deactivate the Hill
start assist system (STI)
CAUTION
While the Hill start assist system is
deactivated, when starting on an
uphill grade, braking power is not
maintained if the brake pedal is
released. Start on an uphill grade
by using the parking brake.
You can activate/deactivate the Hill start
assist system according to the followingprocedure. ! To deactivate
1. Stop your vehicle in a flat and safe
place and apply the parking brake.
2. Turn off the engine.
3. Restart the engine.

4. Confirm the following items..The ABS warning light turns off.
. The Vehicle Dynamics Control OFF
indicator light turns off. . The Brake system warning light
illuminates.5. Press the Vehicle Dynamics Control
mode switch and hold it until the Vehicle
Dynamics Control OFF indicator light
turns off. The Vehicle Dynamics Control
OFF indicator light will illuminate in green,
change to yellow, remain illuminated in
yellow for several seconds and then turn
off.
6. Within 5 seconds after the Vehicle
Dynamics Control OFF indicator light
turns off, release the Vehicle Dynamics
Control mode switch.7. Within 2 seconds after releasing the
Vehicle Dynamics Control mode switch,
press the Vehicle Dynamics Control mode
switch once again. Then the Hill start
assist OFF indicator light illuminates.
8. Turn off the engine.
9. Restart the engine.
While the Hill start assist system is
deactivated, the Hill start assist OFF
indicator light illuminates continuously. ! To activate
When the procedure to deactivate the Hill
start assist system is performed again, the
system is activated. When the Hill start
assist system is activated, the Hill start
assist OFF indicator light turns off. Starting and operating
7-43
– CONTINUED –

New vehicle break-in driving–the first
1,000 miles (1,600 km) ..................................... 8-2
Fuel economy hints ............................................ 8-2
Engine exhaust gas (carbon monoxide) ............ 8-2
Catalytic converter .............................................. 8-3
Periodic inspections ........................................... 8-4
Driving in foreign countries ............................... 8-4
Driving tips for AWD models .............................. 8-5
Off road driving ................................................... 8-6
All AWD models except OUTBACK ...................... 8-6
OUTBACK ........................................................... 8-6 Winter driving
...................................................... 8-8
Operation during cold weather . ............................ 8-8
Driving on snowy and icy roads ........................... 8-9
Corrosion protection .......................................... 8-10
Snow tires ......................................................... 8-10
Tire chains ........................................................ 8-11
Rocking the vehicle ........................................... 8-11
Loading your vehicle ......................................... 8-12
Vehicle capacity weight ...................................... 8-12
GVWR and GAWR (Gross Vehicle Weight Rating and Gross Axle Weight Rating) ........................ 8-13
Roof molding and crossbar (if equipped) ............ 8-14
Trailer towing ..................................................... 8-15 Driving tips
8

8-2Driving tips
New vehicle break-in driving –the first 1,000 miles (1,600
km)
The performance and long life of your
vehicle are dependent on how you handle
and care for your vehicle while it is new.
Follow these instructions during the first
1,000 miles (1,600 km): . Do not race the engine. And do not
allow engine speed to exceed 4,000 rpm
except in an emergency. . Do not drive at one constant engine or
vehicle speed for a long time, either fast or
slow. . Avoid starting suddenly and rapid
acceleration, except in an emergency.. Avoid hard braking, except in an
emergency.
The same break-in procedures should be
applied to an overhauled engine, newly
mounted engine or when brake pads or
brake linings are replaced with new ones. Fuel economy hints
The following suggestions will help to save fuel. .
Select the proper gear position for the
speed and road conditions.. Avoid sudden acceleration or decelera-
tion. Always accelerate gently until you
reach the desired speed. Then try to
maintain that speed for as long aspossible. . Do not pump the accelerator and avoid
racing the engine.. Avoid unnecessary engine idling.
. Keep the engine properly tuned.
. Keep the tires inflated to the correct
pressure shown on the tire placard, which
is located under the door latch on thedriver ’s side. Low pressure will increase
tire wear and fuel consumption. . Use the air conditioner only when
necessary.. Keep the front and rear wheels in
proper alignment.. Avoid carrying unnecessary luggage or
cargo. Engine exhaust gas (carbon
monoxide)
WARNING
. Never inhale engine exhaust gas.
Engine exhaust gas contains
carbon monoxide, a colorless
and odorless gas which is dan-
gerous, or even lethal, if inhaled.
. Always properly maintain the en-
gine exhaust system to prevent
engine exhaust gas from enter-
ing the vehicle.
. Never run the engine in a closed
space, such as a garage, except
for the brief time needed to drive
the vehicle in or out of it.
. Avoid remaining in a parked
vehicle for a lengthy time while
the engine is running. If that is
unavoidable, then use the venti-
lation fan to force fresh air into
the vehicle.
. Always keep the front ventilator
inlet grille free from snow, leaves
or other obstructions to ensure
that the ventilation system al-
ways works properly.
. If at any time you suspect that

exhaust fumes are entering the
vehicle, have the problem
checked and corrected as soon
as possible. If you must drive
under these conditions, drive
only with all windows fully open.
. Keep the trunk lid (4-door) or rear
gate (5-door) closed while driving
to prevent exhaust gas from
entering the vehicle.
NOTE
Due to the expansion and contraction
of the metals used in the manufacture
of the exhaust system, you may hear a
crackling sound coming from the ex-
haust system for a short time after the
engine has been shut off. This sound isnormal. Catalytic converter
Turbo models
Non-turbo models
The catalytic converter is installed in the
exhaust system. It serves as a catalyst to reduce HC, CO and NOx in exhaust
gases, thus providing cleaner exhaust.
To avoid damage to the catalytic conver- ter: .
Use only unleaded fuel. Even a small
amount of leaded fuel will damage the
catalytic converter. . Never start the engine by pushing or
pulling the vehicle.. Avoid racing the engine.
. Never turn off the ignition switch while
the vehicle is moving.. Keep your engine tuned-up. If you feel
the engine running rough (misfiring, back-
firing or incomplete combustion), have
your vehicle checked and repaired by an
authorized SUBARU dealer. . Do not apply undercoating or rust
prevention treatment to the heat shield of
catalytic converter and the exhaust sys-tem. . Do not drive with an extremely low fuel
level.
WARNING
. Avoid fire hazards. Do not drive
or park the vehicle anywhere
near flammable materials (e.g.,
grass, paper, rags or leaves),
because the catalytic converter Driving tips
8-3
– CONTINUED –

8-4Driving tips
operates at very high tempera- tures.
. Keep everyone and flammable
materials away from the exhaust
pipe while the engine is running.
The exhaust gas is very hot. Periodic inspections
To keep your vehicle in the best condition
at all times, always have the recom-
mended maintenance services listed in
the maintenance schedule in the
“War-
ranty and Maintenance Booklet ”per-
formed at the specified time or mileageintervals. Driving in foreign countries
When planning to use your vehicle in
another country: .
Confirm the availability of the correct
fuel. Refer to “Fuel requirements ”F 7-3.
. Comply with all regulations and re-
quirements of each country.