Toyota Corolla Instruction Manual page 500

500
7-2. Steps to take in an emergency
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7
: The DPF system warning light may not turn off when the engine oil change
reminder light is on. In this event, have the vehicle inspected by any autho-
rized Toyota dealer or repairer, or another duly qualified and equipped pro-
fessional.
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8
: If equipped
Corolla_TMMT_EE (OM12F04E)