2005 CHEVROLET ASTRO CARGO VAN lock

Press this button to turn
the rear window defogger
on or off. Be sure to
clear as much snow from
the window as possible.
The rear window defogger will turn off several minutes
after the button is pressed. If turned on again, the
defogger will run for several more minutes before turning
off. The defogger can also be turned off by pressing
the button again or by turning off the engine.
Notice:Using a razor blade or sharp object to clear
the inside rear window may damage the rear
window defogger. Repairs would not be covered by
your warranty. Do not clear the inside of the rear
window with sharp objects.Outlet Adjustment
Move the thumbwheel in the center of the outlets up or
down to change the direction of airow.
Operation Tips
Clear away any ice, snow or leaves from the air
inlets at the base of the windshield that may
block the ow of air into your vehicle.
Use of non-GM approved hood deectors may
adversely affect the performance of the system.
Keep the path under the front seats clear of objects
to help circulate the air inside of your vehicle more
effectively.
3-21

Anti-Lock Brake System Warning
Light
With the anti-lock brake
system, this light will come
on when you start your
engine and may stay on
for several seconds. That’s
normal.
If the light stays on, or comes on when you’re driving,
your vehicle needs service. If the regular brake system
warning light isn’t on, you still have brakes, but you don’t
have anti-lock brakes. If the regular brake system
warning light is also on, you don’t have anti-lock brakes
and there’s a problem with your regular brakes. See
“Brake System Warning Light” earlier in this section.
The anti-lock brake system warning light should come on
briey when you turn the ignition key to RUN. If the light
doesn’t come on then, have it xed so it will be ready to
warn you if there is a problem.
Engine Coolant Temperature Gage
This gage shows the
engine coolant
temperature. If the gage
pointer moves to the
red area, your engine
is too hot!
It means that your engine coolant has overheated. If you
have been operating your vehicle under normal driving
conditions, you should pull off the road, stop your vehicle
and turn off the engine as soon as possible.
SeeEngine Overheating on page 5-28.
3-30

Security Light
This light will come on
briey when you turn the
ignition key to START.
The light will stay on until the engine starts. If the light
ashes, the Passlock
®System has entered a tamper
mode. If the vehicle fails to start, seePasslock®
on page 2-16.
If the light comes on continuously while driving and
stays on, there may be a problem with the Passlock
®
System. Your vehicle will not be protected by Passlock®,
and you should see your GM dealer.
Highbeam On Light
This light will come on
when the high-beam
headlamps are in use.
SeeHeadlamp High/Low-Beam Changer on page 3-9.
Service All-Wheel Drive Light
This light should come on
briey when you turn on
the ignition, as a check to
show you it is working.
3-35

Setting the Time for Radios with the
Set Button
Press and release the SET button. Within ve seconds,
press and hold the left SEEK arrow until the correct
hour appears on the display. Press and hold the right
SEEK arrow until the correct minute appears on
the display.
Setting the Time for Radios with HR
and MN Buttons
Press and hold HR until the correct hour appears on the
display. Press and hold MN until the correct minute
appears on the display. To display the time with
the ignition off, press RECALL, HR, or MN and the time
will appear on the display for a few seconds. There
is an initial two-second delay before the clock goes into
the time-set mode.
AM-FM Radio
Playing the Radio
Power:Turn the VOLUME knob to turn the system on
and off.
VOLUME:Turn this knob to increase or to decrease
the volume.
RECALL:Press this knob to switch the display between
the radio station frequency and the time. When the
ignition is off, press this knob to display the time.
3-41

Set the volume at the desired level. Turn the control
ring behind the upper knob clockwise to increase
the SCV. Each notch on the control ring allows for more
volume compensation at faster vehicle speeds. Then,
as you drive, SCV automatically increases the volume,
as necessary, to overcome noise at any speed. The
volume level should always sound the same to you as
you drive. To turn SCV off, turn the control all the
way down.
Finding a Station
AM FM:Press this button to switch between FM1, FM2,
and AM. The display will show the selection.
TUNE:Press this knob lightly so it extends. Turn it to
select radio stations. Push the knob back into its stored
position when you are not using it.
oSEEKp:Press the right or the left arrow to go to
the next or previous station and stay there.
To scan stations, press and hold either SEEK arrow for
two seconds until SCAN appears on the display. The
radio will go to a station, play for a few seconds, then go
on to the next station. Press either SEEK arrow again
to stop scanning.
The radio will only seek and scan stations with a strong
signal that are in the selected band.P.SCAN (Preset Scan):Press this button and the radio
will go to the rst preset station stored on the
pushbuttons, play for a few seconds then go on to the
next preset station. P.SCAN will appear on the
display. Press this button again or one of the
pushbuttons to stop scanning presets.
The radio will only scan the preset stations with a strong
signal that are in the selected band.
Setting Preset Stations
Up to 18 stations (six FM1, six FM2, and six AM), can
be programmed on the six numbered pushbuttons,
by performing the following steps:
1. Turn the radio on.
2. Press AM FM to select FM1, FM2, or AM.
3. Tune in the desired station.
4. Press AUTO TONE to select the equalization.
5. Press and hold one of the six numbered
pushbuttons. The sound will mute. When it returns,
release the pushbutton. Whenever that numbered
pushbutton is pressed, the station that was set
will return and the equalization that was selected will
be stored for that pushbutton.
6. Repeat the steps for each pushbutton.
3-44

Theft-Deterrent Feature
THEFTLOCK®is designed to discourage theft of your
vehicle’s radio. It works by using a secret code to
disable all radio functions whenever battery power is
interrupted.
The THEFTLOCK
®feature for the radio may be used or
ignored. If ignored, the radio plays normally and the
radio is not protected by the feature. If THEFTLOCK
®is
activated, the radio will not operate if stolen.
When THEFTLOCK
®is activated, LOC will appear on
the radio display to indicate a locked condition anytime
battery power has been interrupted. If the battery
loses power for any reason, you must unlock the radio
with the secret code before it will operate.
Activating the Theft-Deterrent Feature
The instructions which follow explain how to enter
your secret code to activate the THEFTLOCK®system.
Read through all nine steps before starting the
procedure.
If you allow more than 15 seconds to elapse between
any steps, the radio automatically reverts to time
and you must start the procedure over at Step 4.
1. Write down any three or four-digit number from 000
to 1999 and keep it in a safe place separate from
the vehicle.2. Turn the ignition on.
3. Turn the radio off.
4. Press the 1 and 4 pushbuttons at the same time.
Hold them down until --- appears on the display.
Next you will use the secret code number which you
have written down.
5. Press MN and 000 will appear on the display.
6. Press MN again to make the last two digits agree
with your code.
7. Press HR to make the rst one or two digits agree
with your code.
8. Press AM FM after you have conrmed that the
code matches the secret code you have written
down. REP will appear on the display to indicate
that Steps 5 through 7 need to be repeated to
conrm your secret code.
9. Press AM FM again. SEC will appear on the display
to indicate that the radio is secure. The LED
indicator by the volume knob will begin ashing
when the ignition is turned off.
3-49

Unlocking the Theft-Deterrent Feature
After a Power Loss
Enter your secret code as follows; pause no more than
15 seconds between steps:
1. Turn the ignition on. LOC will appear on the display.
2. Press MN and 000 will appear on the display.
3. Press MN again to make the last two digits agree
with your code.
4. Press HR to make the rst one or two digits agree
with your code.
5. Press AM FM after you have conrmed that the
code matches the secret code you have written
down. The display will show SEC, indicating
the radio is now operable and secure.
If you enter the wrong code eight times, INOP will appear
on the display. You will have to wait an hour with the
ignition on before you can try again. When you try again,
you will only have three chances, eight tries per chance,
to enter the correct code before INOP appears.
If you lose or forget your code, contact your GM dealer.
Disabling the Theft-Deterrent Feature
Enter your secret code as follows; pause no more than
15 seconds between steps:
1. Turn the ignition on.
2. Turn the radio off.
3. Press and hold the 1 and 4 pushbuttons at the
same time until SEC appears on the display.
4. Press MN and 000 will appear on the display.
5. Press MN again to make the last two digits agree
with your code.
6. Press HR to make the rst one or two digits agree
with your code.
7. Press AM FM after you have conrmed that the
code matches the secret code you have written
down. --- will appear on the display, indicating that
the radio is no longer secured.
If the code entered is incorrect, SEC will appear on the
display. The radio will remain secured until the correct
code is entered.
When battery power is removed and later applied to a
secured radio, the radio will not turn on and LOC
will appear on the display.
To unlock a secured radio, seeUnlocking the
Theft-Deterrent Feature After a Power Lossearlier in
this section.
3-50

Your Driving, the Road, and Your Vehicle..........4-2
Defensive Driving...........................................4-2
Drunken Driving.............................................4-2
Control of a Vehicle........................................4-5
Braking.........................................................4-5
Anti-Lock Brake System (ABS).........................4-6
Braking in Emergencies...................................4-8
Locking Rear Axle..........................................4-8
Steering........................................................4-8
Off-Road Recovery.......................................4-10
Passing.......................................................4-11
Loss of Control.............................................4-12
Driving at Night............................................4-13
Driving in Rain and on Wet Roads..................4-15City Driving..................................................4-18
Freeway Driving...........................................4-19
Before Leaving on a Long Trip.......................4-20
Highway Hypnosis........................................4-21
Hill and Mountain Roads................................4-21
Winter Driving..............................................4-23
If Your Vehicle is Stuck in Sand, Mud,
Ice or Snow..............................................4-27
Rocking Your Vehicle to Get It Out.................4-28
Loading Your Vehicle....................................4-28
Towing..........................................................4-34
Towing Your Vehicle.....................................4-34
Recreational Vehicle Towing...........................4-34
Towing a Trailer...........................................4-34
Section 4 Driving Your Vehicle
4-1