Securing The Gas Cap; Flexfuel (E85) - Yellow Gas Cap; Resetting The Engine Oil Life System - Chevrolet 2009 Impala Quick Start Manual

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has been sitting for at least three hours
or driven no more than one mile.
You can temporarily remove the DIC
message by acknowledging it with
your DIC controls. However, at the next
vehicle start-up, the DIC message will
reappear if the tire pressure has not
been corrected.
You may notice during cooler conditions
that the low tire pressure warning light
will appear when the vehicle is first
started and then turn off as you start to
drive. This could be an early indicator
that your tire pressures are getting low
and the tires need to be inflated to the
proper pressure.
Note: The Tire Pressure Monitor can alert
you about low tire pressure, but it doesn't
replace normal monthly tire maintenance.
See Section 5 of your Owner Manual.

Securing the Gas Cap

If the Driver Information Center displays
the TIGHTEN GAS CAP message,
check that your gas cap is securely
fastened. If the cap is not secure, turn it
clockwise until a clicking sound is heard,
indicating that it is properly installed.
See Sections 3 and 5 of your Owner Manual.
FlexFuel (E85) – Yellow Gas Cap
(if equipped)
If your vehicle has a yellow gas cap, it
was engineered as a FlexFuel vehicle
capable of running on gasoline or E85
fuel. E85 is a blend of 85% ethanol and
15% gasoline. E85 is a high-octane,
renewable fuel made primarily from corn
(see livegreengoyellow.com).
Your FlexFuel vehicle automatically
detects the current fuel mixture in the
fuel tank and adjusts engine settings
accordingly. You can fill up with gasoline
or E85, regardless of which fuel is
already in the tank.
E85 is not yet available at all gas sta-
tions. E85 holds less energy per gallon
than gasoline, so drivers will experience
lower miles per gallon and cruising
range when running on E85.
Note: If your vehicle does not have the
yellow gas cap, do not use E85.
See Section 5 of your Owner Manual.
Resetting the Engine Oil Life
System
The Oil Life System calculates engine oil
life based on vehicle use and displays
CHANGE ENGINE OIL SOON in the
Driver Information Center (DIC) when it's
necessary to change your engine oil and
filter. The Oil Life System should be
reset to 100% only following an oil
change.
Reset the Oil Life System
1. Turn the ignition to On.
2. Press the
displays OIL LIFE REMAINING.
3. Press and hold the
100% is displayed.
4. Turn the ignition to Off.
Refer to your Owner Manual for addi-
tional information.
See Section 5 of your Owner Manual.
button until the DIC
button until
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