
Leaving Your  Vehicle 
It' you are  leaving  the vehicle.  take your  keys.  open your door and  set  the 
locks  from inside. Then  get out 
and close  the door. 
Keyless Entry System 
If your  vehicle  has this option.  you  can  lock  and  unlock  your  doors  from  up  to 
30 feet (9 m) away usins the  key  chain  transmitter  supplied with your  vehicle. 
Your  Keyless 
Entry System  operates on ;I radio frequency  subject to  Federal 
Communications  Commission (FCC) 
Rules. 
This  device  complies with Part IS of the  FCC Rules. Operation  is subject to 
the  following  two conditions: ( I ) This  device  may  not cause harmful 
interference.  and 
(2) This  device  must accept any  interterence  received, 
including  interference  that  may 
C~LIS~ undesired operation. 
Should  interference  to 
this system occur. try this: 
0 Check to determine if battery replacement  is necessary.  See the 
instructions 
on battery replacement. 
Check the  distance. You  nay be too far from your vehicle. This product 
has 
a maximum  range. 
0 Check  the location. Other vehicles  or objects  may  be  blocking  the  signal 
0 See your GM dealer  or a qualified  technician for service. 
Changes  or  modifications  to this  system  by other  than an authorized  service 
facility could  void authorization 
to use this equipment. 
Operation 
To unlock  the driver's  door. press  the UNLOCK  button. If you  press this 
button again within five  seconds, all the doors will unlock. 
Press the 
LOCK button  to  lock all the doors. 
The  illuminated entry  feature  activates the  interior dome  lamps 
for 40 
seconds or until the  ignition switch is turned on. 
Matching  Transmitter(s) To Your Vehicle 
Each key chain  transmitter is coded  to prevent  another  transmitter  from 
unlocking  your  vehicle. 
If a transmitter is lost or stolen. a replacement  can 
be  purchased  through  your dealer. Remember  to bring any remaining 
transmitters  with  you  when 
you go to your  dealer. When  the dealer  matches 
the  replacement  transmitter 
to your  vehicle,  the remaining  transmitters  must 
also  be matched. Once  the  new transmitte.r  is coded,  the 
lost transmitter will 
not unlock your vehicle. 
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New Vehicle “Break-In” - 3500 HD Model 
If you have a 3500 HD model, your parking brake requires a special 
break-in  procedure.  See “Parking  Brake” 
in the Index. 
Ignition Switch 
Use  your  key to start your  vehicle.  The key lets you turn the ignition switch 
to  five  different positions: 
2 
5 
1. OFF 
2. RUN 
3. START 
4. ACC 
5. LOCK 
ACC  (Accessory): 
ACC lets you use things like the radio, power  windows 
and the windshield  wipers when the engine is off. To get into ACC, push in 
the key and turn it toward you.  Your steering  wheel  will  remain locked,  just 
as it was before you inserted  the key. 
LOCK: This  position  locks your ignition,  steering wheel and  transmission. 
It’s 
a theft deterrent  feature. You will only  be able  to remove  your key  when 
the ignition 
is turned  to LOCK. 
OFF: This position  lets  you turn  off the  engine  but still  turn the steering 
wheel.  It  doesn’t lock the  steering wheel like  LOCK. Use 
OFF if  you must 
have  your  vehicle 
in motion while the  engine is off (for example, if your 
vehicle  is  being pushed). 
RUN: This is the position  for  driving. 
START:  This  starts  your engine. 
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To Erase Speed Memory 
When you turn off' the Cruise  Control  or the  ignition. your Cruise Control 
set speed memory 
is erased. 
Headlamps and Vehicle  Lighting 
Your  park/headlamp 
switch  is  on  the 
driver's  side  of your 
instrument panel. 
Rotate the switch knob clockwise to the  park lamp symbol  to 
turn on: 
Parking Lamps 
Sidemarker Lamps 
Clearance Lamps (if you  have them) 
Taillamps 
License Plate L.amps 
Instrument Panel Lamps 
Transfer Case Shift Indicator Light  (four-wheel drive vehicles) 
Rotate  the switch knob  clockwise again to the master lighting symbol to 
turn on all the lamps and lights listed  above as well as the headlamps. 
Rotate the switch  counterclockwise  to the off symbol  to turn  off  your  lamps 
and lights. 
Rotate  the thumb  wheel  next  to  the  switch knob up 
to adjust instrument 
panel  lamps.  Rotate 
the thumb wheel up to the first notch to return the  radio 
display and gearshift indicator 
LED display to full intensity when  the 
headlamps  or parklamps  are 
on. 
You can  switch your headlamps  from high to low beam by pulling on the 
turn signal/high  beam lever. 
A circuit  breaker protects  your headlamps. If you have  an electrical 
overload,  your headlamps  will flicker  on and off. Have your  headlamp 
wiring  checked  right away  if this happens. 
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Charging  System  Warning  Light 
The red Charging System Warning  light should  come on briefly when  you 
turn on 
the ignition, before starting the  engine, as a check  to show  you it is 
working.  After the engine  starts,  the light should 
go out.  If  it stays on  or 
comes  on while  you are driving,  you  may  have a problem 
with your 
charging  system. It could indicate  a problem  with the alternator  drive belt, 
or 
some other  charging system problem. Have it checked right away. 
Driving  while this light 
is on could drain your battery. 
If  you  must drive  a short distance 
with this light  on, it helps to turn off  all 
your  accessories,  such 
as the radio and air conditioner. 
Malfunction  Indicator  (Service  Engine  Soon) Lamp 
I 
A computer  monitors the operation of your fuel, ignition  and emission 
control  systems.  This  orange light should  come on when 
the ignition  is  on 
but the  engine is  not running. as  a check 
to show  you  it’s  working. If it does 
not  come  on at all, have 
it fixed  right  away. If it stays on, or comes  on while 
you  are  driving,  the computer  is indicating  that  you have 
a problem.  You 
should take your vehicle 
in for  service soon. 
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The buttons  used to set the  clock  are  located below  the AUTO TONE button 
in the bottom  right corner of your audio  system. 
To set the  clock: 
1. Press  and hold HR until the correct  hour  appears  on the display. 
2. Press and hold MIN until the correct  minute appears on the display. 
To  display  the clock  with the ignition  off, press the recall button.  The time 
will  be  displayed  for 
a few  seconds. 
There  is 
an initial two-second  delay before  the clock  goes  into the time-set 
mode. 
This  part tells you how your ETR@AM-FM  stereo  audio system works. 
Upper  Knob  (VOL-RECALL) 
- The upper knob has these  four  functions: 
Turn it to  switch the system  on and  off. 
Turn it to control  the volume. 
0 Press it to  display  the time  when the ignition  is off. 
0 Press it to change  between the  clock and the radio station frequency 
displayed  when the radio 
is on. 
BAL  (Balance) 
- The  control  ring  behind  the upper knob  adjusts the 
lefvright  speaker  balance. 
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Lower Knob (TUNE-AM-FM) - The  lower  knob has two functions: 
Turn  it to tune in radio stations. 
Press it  to  change  between the AM and FM bands. 
FADE 
- The  control ring behind the lower knob adjusts the  fronthear 
speaker  balance. 
SEEK 
- Press the  SEEK b button to  cause  the receiver to seek the next 
higher  station. 
Press the 
4 SEEK button  to cause  the receiver  to  seek the next lower 
station. 
SCAN 
- Press  the SCAN  button to momentarily hear each available 
station.  SCAN  is a  two  button  function and requires that  you also press the 
SEEK 
b or 4 SEEK.  “SCAN”  appears in the display while you are in the 
SCAN  mode. 
Press  and hold SEEK 
b, then press 4 SEEK  to cause  the receiver to scan 
to  the next higher station. 
Press  and  hold 
4 SEEK, then press  SEEK to cause the receiver to scan 
to 
the next  lower  station. 
The  receiver will  continue to scan until 
you press the  VOL-RECALL  knob 
or  both  SEEK  buttons again. 
Pushbuttons 
- The  four  pushbuttons let you return to favorite  stations. To 
set the pushbuttons  for up to  fourteen  favorite stations (7 AM and 7 FM): 
I. Tune in the desired station. 
2. Press the  SET button. “SET” appears in the display. 
3. Within 5 seconds, press  one of the  four  pushbuttons to store  the station. 
Whenever  you press that button, the preset station will return. 
Repeat  these  steps for each pushbutton. 
NOTE: 
In addition  to the  four  stations set as  above, up to three additional  stations 
may be preset  on each band by pressing two adjoining buttons  at the same 
time.  Then do the following: 
1.  Tune 
in the desired station. 
2. Press the SET button. “SET” appears in the display  momentarily. 
3. Within 5 seconds,  press any  two  adjoining  pushbuttons at the same 
time.  (The  station will return  when the same  two buttons  are pressed 
again.) 
TREBLE 
- Slide  the TREBLE  lever up to increase the treble response. If a 
station  is weak  or noisy,  slide the  TREBLE  lever down  to reduce 
the noise. 
BASS 
- Slide  the BASS  lever up  to  increase the bass response.  Adjust the 
BASS  lever to  give  a  pleasing  sound to your  ear. 
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How to  Operate Your ETR@ AM-FM Stereo Audio 
Cassette  System 
This part tells you  how your ETR'3AM-FM  stereo  audio  cassette  system 
works. 
Upper  Knob (VOL-RECALL) 
- The  upper knob has these  five functions: 
0 Turn  it to switch  the system  on and off. 
Turn it to control  the  volume. 
Press it to display  the time  when the ignition  is off. 
Press it to change  between  the clock  and  the radio station frequency 
displayed  when  the radio 
is on. 
Press it to change  sides of a tape when  a  cassette is playing. 
BAL (Balance) - The control  ring behind  the upper knob adjusts the 
lefthight  speaker  balance. 
Lower  Knob (TUNE-AM-FM) 
- The  lower knob has two  functions: 
Turn it to tune in radio stations. 
Press it to change  between  the AM  and FM bands. 
FADE 
- The  control  ring behind  the lower knob adjusts  the front/rear 
speaker  balance. 
SEEK - Press the SEEK button to  cause the receiver to seek the  next 
higher  station. 
Press  the 
4 SEEK button to  cause the receiver  to seek  the  next  lower 
station. 
P. SCAN  (Preset  Scan) - Press both SEEK  buttons to scan each preset 
pushbutton  station.  The  receiver will continue  to scan and  momentarily  stop 
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at each station until you press either  SEEK  button or the  VOL-RECALL 
knob. 
“PSCAN” appears in the display while you are in the P. SCAN mode. 
Pushbuttons 
- The  four pushbuttons let you return to favorite  stations. To 
set the  pushbuttons  for up to twenty-one  favorite stations (7 AM, 7 FM1 
and 7 FM2): 
1. Tune in the desired station. 
2. Press the SET button.  “SET”  appears in the display. 
3. Within 5 seconds, press  one of the  four  pushbuttons  to store the station. 
Whenever  you press that button, the preset  station 
will return. 
Repeat these steps  for  each pushbutton. 
NOTE: 
In addition to the  four stations set as  above, up to three additional stations 
may be preset  on each band  by pressing  two adjoining buttons  at the same 
time.  Then  do the  following: 
1. Tune in the desired  station. 
2. Press the SET button. “SET” appears in the display  momentarily. 
3. Within 5 seconds, press any  two adjoining pushbuttons  at the  same 
time.  (The  station will return  when  the  same two buttons  are pressed 
again.) 
TREBLE 
- Slide  the TREBLE  lever up to increase the treble  response. If a 
station is  weak  or noisy,  slide the TREBLE  lever  down to reduce  the noise. 
BASS - Slide  the BASS lever up to increase the bass response. Adjust the 
BASS  lever to give 
a pleasing  sound to your ear. 
To Play A Cassette 
Your  tape player  is built to work  best with tapes that are 30 to 45 minutes 
long on each  side. Tapes  longer  than that are 
so thin they  may  not work well 
in this player. 
Once  the tape  is playing,  use the controls  for volume, balance,  fade, treble 
and bass  just as you  do 
for the radio. A lighted arrow will also  appear  and 
show the direction 
of play when  a  tape is in the player. 
FORWARD 
- To  rapidly  advance  the tape, press 4 SEEK or  SEEK in 
the direction that the amber arrow points and the tape will rapidly  go 
forward 
until you  press  the same  SEEK  button  lightly. 
REVERSE 
- To  rapidly reverse the tape, press 4 SEEK  or SEEK in 
the  opposite  direction  that the amber  arrow points and the tape will rapidly 
reverse until  you press the  same SEEK button  lightly. 
PROGRAM 
- To go  from one side  of the tape  to the other, press the 
VOL-RCL  knob. 
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