2000 CHEVROLET IMPALA ECO mode

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3-28
AUTO VOL: Your system has a feature called
Speed
-Compensated Volume (SCV). With SCV, your
audio system adjusts automatically to make up for road
and wind noise as you drive. Set the volume at the
desired level. Press AUTO VOL to adjust the SCV.
AVOL will appear on the display. Each time you press
AUTO VOL, another volume setting (LOW, MEDIUM
or HIGH) will appear on the display. NONE will appear
on the display if the radio cannot find out the vehicle
speed. Then, as you drive, SCV automatically increases
the volume, as necessary, to overcome noise at any
particular speed. The volume level should always sound
the same to you as you drive. If you don't want to use
SCV, select OFF. Each volume setting allows for more
volume compensation at faster vehicle speeds.
Finding a Station
AM FM: Press this button to switch between AM, FM1
and FM2. The display shows your selection.
TUNE: Turn this knob to choose radio stations.
SEEK: Press the right arrow to tune to the next higher
station and the left arrow to tune to the next lower
station and stay there. Note that the radio will seek to
stations with a strong signal only.PUSHBUTTONS: The six numbered pushbuttons let
you return to your favorite stations. You can set up to
18 stations (six AM, six FM1 and six FM2). Just:
1. Turn the radio on.
2. Press AM FM to select the band.
3. Tune in the desired station.
4. Press AUTO TONE to select the equalization that
best suits the type of station selected.
5. Press and hold one of the six numbered buttons. The
radio will beep once to confirm. Whenever you press
that numbered button, the station you set will return
and the AUTO TONE equalization that you selected
will also be automatically selected for that button.
6. Repeat the steps for each pushbutton.
P SCAN: Press and hold one of the arrows for more
than two seconds. The radio will beep once to confirm.
Use P SCAN to listen to each of your favorite stations
stored on your pushbuttons for a few seconds. The radio
will scan through each of the stations stored on your
pushbuttons, except those stations with weak reception.
The AUTO TONE setting stored for that pushbutton will
be automatically chosen. Press P SCAN or one of the
pushbuttons again to stop scanning. P SCAN will be
displayed whenever the tuner is in the P SCAN mode.

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3-35 Theft-Deterrent Feature
THEFTLOCK
is designed to discourage theft of your
radio. The feature works automatically by learning a
portion of the Vehicle Identification Number (VIN).
If the radio is moved to a different vehicle, it will not
operate and LOC will be displayed.
With THEFTLOCK activated, your radio will not
operate if stolen.
Theft-Deterrent Feature RDS Radios
THEFTLOCK
is designed to discourage theft of your
radio. The feature works automatically by learning a
portion of the Vehicle Identification Number (VIN).
If the radio is moved to a different vehicle, it will not
operate and LOCKED will be displayed.
When the radio is turned off, the blinking red light
indicates that THEFTLOCK is armed.
With THEFTLOCK activated, your radio will not
operate if stolen.
Audio Steering Wheel Controls
(If Equipped)
If your vehicle has this feature, you can control certain
radio functions using the buttons on your steering wheel.
SEEK: Press the up arrow to tune to the next radio station
and the down arrow to tune to the previous radio station.
If a cassette tape or compact disc is playing, the player
will advance with the up arrow and reverse with the
down arrow. Holding SEEK for 3 seconds or more will
activate the PSCAN mode.

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5-14
If the coolant inside the coolant recovery tank is boiling,
don't do anything else until it cools down.
When the engine is cold, the coolant level should be at
or above the COLD mark on the coolant recovery tank.
To check the coolant level, look for the COLD mark on
the side of the coolant recovery tank that faces the
engine. Check to make sure that the coolant level is up
to the COLD fill level on the side of the coolant
recovery tank. If it isn't, you may have a leak in the
radiator hoses, heater hoses, radiator, water pump or
somewhere else in the cooling system.
CAUTION:
Heater and radiator hoses, and other engine
parts, can be very hot. Don't touch them.
If you do, you can be burned.
Don't run the engine if there is a leak. If you run
the engine, it could lose all coolant. That could
cause an engine fire, and you could be burned.
Get any leak fixed before you drive the vehicle.
NOTICE:
Engine damage from running your engine
without coolant isn't covered by your warranty.
See ªOverheated Engine Protection Operating
Modeº in the Index.