Malfunction Indicator Lamp - Acura 2011 RL Owner's Manual

If this indicator comes on
while driving, or if you see
a ''CHECK EMISSION SYSTEM''
message on the multi-information
display, it means one of the engine's
emissions control systems may have
a problem. Even though you may
feel no difference in your vehicle's
performance, it can reduce your fuel
economy and cause increased
emissions. Continued operation may
cause serious damage.
If you have recently refueled your
vehicle, the indicator coming on
could be due to a loose or missing
fuel fill cap. You will also see a
''TIGHTEN FUEL CAP'' message on
the multi-information display.
Tighten the cap until it clicks at least
once (see page ). Tightening the
385
cap will not turn the indicator off
immediately; it can take several days
of normal driving.
If the indicator comes on repeatedly,
even though it may go off as you
continue driving, have the vehicle
checked by your dealer as soon as
possible.
If you keep driving with the
malf unction indicator lamp on, you can
damage your vehicle's emissions
controls and engine. Those repairs may
not be covered by your vehicle's
warranties.
The malfunction indicator lamp may
also come on with the ''D'' indicator.
Readiness Code
Your vehicle has certain ''readiness
codes'' that are part of the on-board
diagnostics for the emissions
systems. In some states, part of the
emissions testing is to make sure
these codes are set. If they are not
set, the test cannot be completed.

Malfunction Indicator Lamp

If the battery in your vehicle has
been disconnected or gone dead,
these codes may be erased. It can
take several days of driving under
various conditions to set the codes
again.
To check if they are set, turn the
ignition switch to the ON (II)
position, without starting the engine.
The malfunction indicator lamp will
come on for 20 seconds. If it then
goes off, the readiness codes are set.
If it blinks five times, the readiness
codes are not set. If possible, do not
take your vehicle for an emissions
test until the readiness codes are set.
Refer to
Emissions Testing
more information (see page
for
537 ).
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