Chevrolet Impala Owner's Manual page 143

economy over recent driving history
and the amount of fuel remaining in
the fuel tank.
Instantaneous Fuel Economy:
Displays the current fuel economy in
either liters per 100 kilometers (L/
100 km) or miles per gallon (mpg).
This number reflects only the fuel
economy that the vehicle has right
now and changes frequently as
driving conditions change.
Average Speed: Displays the
average speed of the vehicle in
kilometers per hour (km/h) or miles
per hour (mph). This average is
calculated based on the various
vehicle speeds recorded since the
last reset of this value. The average
speed can be reset by pressing and
holding while this display is
active.
Timer: To start the timer, press
while this display is active. The
display will show the amount of time
that has passed since the timer was
last reset. To stop the timer, press
briefly while this display is active
and the timer is running. To reset
the timer to zero, press and hold
while this display is active.
Oil Life: Displays an estimate of
the oil's remaining useful life.
If REMAINING OIL LIFE 99% is
displayed, that means 99% of the
current oil life remains.
When the remaining oil life is low,
the CHANGE ENGINE OIL SOON
message will appear on the display.
See Engine Oil Messages on
page 5-33. The oil should be
changed as soon as possible. See
Engine Oil on page 10-11. In
addition to the engine oil life system
monitoring the oil life, additional
maintenance is recommended in the
Maintenance Schedule. See
Maintenance Schedule on
page 11-2.
The Oil Life display must be reset
after each oil change. It will not
reset itself. Do not reset the Oil Life
display accidentally at any time
other than when the oil has just
Instruments and Controls
been changed. It cannot be reset
accurately until the next oil change.
To reset the engine oil life system,
press and hold
seconds while the Oil Life display is
active. See Engine Oil Life System
on page 10-14.
Coolant Temperature: Displays
the coolant temperature in either
degrees Celsius (°C) or degrees
Fahrenheit (°F).
Tire Pressure: Displays the
approximate pressures of all four
tires. Tire pressure is displayed in
either kilopascal (kPa) or in pounds
per square inch (psi). If the pressure
is low, the value for that tire is
shown in amber. See Tire Pressure
Monitor System on page 10-51 and
Tire Pressure Monitor Operation on
page 10-52.
Battery Voltage: Displays the
current battery voltage. The battery
voltage can fluctuate while viewing
this information on the DIC. This is
normal.
5-29
for several