Toyota Corolla Instruction Manual page 497

Warning light
(Flashes)
Corolla_TMMT_EE (OM12F04E)
7-2. Steps to take in an emergency
Warning light/Details
DPF system warning light
*
3
(diesel engine)
• Indicates that the DPF
catalytic converter needs
to be cleaned due to
repeated short trips and/
or low-speed driving.
• Indicates that
amount of accumulated
deposits in the DPF cat-
alytic converter
reached the specified
level.
Engine oil change
reminder light (diesel
*
3
engine)
Indicates that the engine
oil is scheduled to be
changed.
Flashes approximately
14500 km (9000 miles)
after the engine oil is
changed. (P. 505) (The
indicator will not
properly unless the oil
maintenance date
been reset.)
Correction procedure
To clean with DPF catalytic
converter, drive the vehicle
at a speed of 65 km/h (40
mph) or greater for 20 to 30
minutes as much as possible
until the DPF system warn-
*
ing light turns off
Do not turn off the engine as
much as possible until the
DPF system warning light
turns off.
If it is not possible to drive
the
the vehicle at speeds of 65
km/h (40 mph) or greater, or
the DPF system warning
has
light does not turn off even
after driving for more than 30
minutes, have the vehicle
inspected by any authorized
Toyota dealer or repairer, or
another duly qualified and
equipped professional.
Check and change
engine oil and oil filter by any
authorized Toyota dealer, or
another duly qualified and
equipped professional. After
changing the engine oil, the
oil change system should be
work reset. (P. 433)
has
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the