General Precautions When Starting/Stopping Engine - Subaru WRX 2021 Owner's Manual

CAUTION
Trapping small animals in the cool-
ing 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.
NOTE
Engine oil, engine coolant, brake fluid,
washer fluid and other fluid levels
should be checked daily, weekly or at
fuel stops.
Starting and operating/Starting and stopping the engine
Starting and stopping the en-
gine
& General precautions when
starting/stopping engine
WARNING
. Never start the engine from out-
side the vehicle. It may result in
an accident.
. Do not start the engine near dry
foliage, paper, or other flammable
substances. The exhaust pipe
and exhaust emissions can cre-
ate a fire hazard at high tempera-
tures.
. Do not leave the engine running
in locations with poor ventilation,
such as a garage and indoors.
The exhaust gas may enter the
vehicle or indoors, and it may
result in carbon monoxide poi-
soning.
CAUTION
. Do not stop the engine while
driving. Otherwise, the catalyst
may overheat and burn.
. When starting the engine, be sure
to sit in the driver's seat (except
when using the remote engine
start system).
NOTE
. Avoid rapid acceleration immedi-
ately after the engine has started. In
addition, always avoid rapid racing.
. Until the engine is warmed up suffi-
ciently, the engine speed is maintained
high. The engine speed will gradually
drop as the engine warms up.
. On rare occasions, it may be difficult
to start the engine depending on the
fuel used and the driving condition
(repeated short trips when the engine
is not warmed up sufficiently). In such
cases, it is recommended to switch to a
different brand of fuel.
. On rare occasions, transient knock-
ing may be heard from the engine when
the accelerator is operated rapidly such
as a rapid start-up and a rapid accel-
eration. This is not a malfunction.
. The engine starts more easily when
the headlights, air conditioner and rear
window defogger are turned off.
. It may be difficult to start the engine
when the battery has been discon-
nected and reconnected (for mainte-
nance or other purposes). This diffi-
culty is caused by the electronically
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