1999 CHEVROLET SILVERADO audio

yellowblue
6-67
NAME Usage
TURN Exterior Lamps, Turn Signals,
Hazard Lamps
UNLOCK Power Door Locks
HTR A/C Climate Control System
WS WPR Windshield Wipers
IGN 1 Ignition, Instrument Panel
AIR BAG Air Bag
MIR/LOCK Power Mirrors, Power Door Locks
DR LOCK Power Door Locks
PWR WDO Power Window Circuit BreakerNAME Usage
UNLOCK Power Door Lock Relay
IGN 0 PRND321 Display, Odometer,
VCM/PCM
SEO IGN Special Equipment Option,
Ignition, Manual Selectable Ride
SEO ACCY Special Equipment Option
Accessory, Cellular Telephone
RAP #1 Retained Accessory Power Relay
RDO 1 Audio System
RAP #2 Not Used

yellowblue
6-72
Name Usage
TRL PRK Parking Lamps Trailer Wiring
RT HDLP Right Headlamps
DRL Daytime Running Lamps (Relay)
HTD MIR Heated Mirrors
LT HDLP Left Headlamps
A/C Air Conditioning
AUX PWR Cigarette Lighter, Auxiliary
Power Outlets
SEO 2 Special Equipment Option Power,
Power Seats, Aux Roof Mnt Lamp
SEO 1 Special Equipment Option Power,
Aux Roof Mnt Lamp, Cell Phone
DRL Daytime Running Lamps
A/C A/C (Relay)
FOG LP Fog Lamps
FOG LP Fog Lamps (Relay)
RADIO Audio System, Instrument Cluster,
Climate Control System
CIGAR Cigarette Lighter,
Auxiliary Power OutletsName Usage
RT TURN Right Turn Signals
BTSI Brake
-Transmission
Shift Interlock
LT TURN Left Turn Signals
FR PRK Front Parking Lamps,
Sidemarker Lamps
W/W PMP Windshield Washer Pump
HORN Horn (Relay)
IGN C Ignition Switch, Fuel Pump,
PRND321 Display, Crank
RDO AMP Not Used
HAZ LP Exterior Lamps, Hazard Lamps
EXP LPS Not Used
HORN Horn
CTSY LP Interior Lamps
RR WPR Not Used
TBC Body Control Module, Remote
Keyless Entry, Headlamps

yellowblue
7-18
Part B: Owner Checks and Services
Listed in this part are owner checks and services which
should be performed at the intervals specified to help
ensure the safety, dependability and emission control
performance of your vehicle.
Be sure any necessary repairs are completed at once.
Whenever any fluids or lubricants are added to your
vehicle, make sure they are the proper ones, as shown in
Part D.
At Each Fuel Fill
It is important for you or a service station attendant to
perform these underhood checks at each fuel fill.
Engine Oil Level Check
Check the engine oil level and add the proper oil if
necessary. See ªEngine Oilº in the Index for
further details.Engine Coolant Level Check
Check the engine coolant level and add DEX
-COOL

coolant mixture if necessary. See ªEngine Coolantº in
the Index for further details.
Windshield Washer Fluid Level Check
Check the windshield washer fluid level in the
windshield washer tank and add the proper fluid if
necessary. See ªWindshield Washer Fluidº in the Index
for further details.
At Least Once a Month
Tire Inflation Check
Make sure tires are inflated to the correct pressures.
See ªTiresº in the Index for further details.
Cassette Deck Service
Clean cassette deck. Cleaning should be done every
50 hours of tape play. See ªAudio Systemsº in the
Index for further details.

9-yellowblue
9-1
Section 9 Index
A
ccessory Power Outlet 2-65 . . . . . . . . . . . . . . . . . . . . . . . . .
Adding Equipment to the Outside of Your Vehicle 6-3 . . . . . .
Air Bag 1-25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adding Equipment 1-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
How Does it Restrain 1-29 . . . . . . . . . . . . . . . . . . . . . . . . . .
How it Works 1-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Location 1-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Off Light 1-33, 2-71 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Off Switch 1-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Readiness Light 1-27, 2-71 . . . . . . . . . . . . . . . . . . . . . . . . .
Servicing 1-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
What Makes it Inflate 1-29 . . . . . . . . . . . . . . . . . . . . . . . . . .
What Will You See After it Inflates 1-29 . . . . . . . . . . . . . . .
When Should it Inflate 1-28 . . . . . . . . . . . . . . . . . . . . . . . . .
Air Cleaner Filter, Engine 6-16 . . . . . . . . . . . . . . . . . . . . . . . .
Air Cleaner Filter Restriction Indicator Check 7-19 . . . . . . . .
Air Conditioning 3-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Conditioning Refrigerants 6-76 . . . . . . . . . . . . . . . . . . . . .
Air Dam Removal 4-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Dam Replacement 4-16 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Filter, Passenger Compartment 3-5, 6-18, 6-77 . . . . . . . .
Alignment and Balance, Tire 6-51 . . . . . . . . . . . . . . . . . . . . . .
Aluminum Wheels, Cleaning 6-59 . . . . . . . . . . . . . . . . . . . . . .
Antenna 3-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Antifreeze 6-29, 6-75, 7-25 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Anti-Lock
Brake System Warning Light 2-74, 4-7 . . . . . . . . . . . . . . . .
Brakes 4-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Appearance Care 6
-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appearance Care and Materials 6-62 . . . . . . . . . . . . . . . . . . . .
Arbitration Program 8-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Armrest Storage Compartment 2-64 . . . . . . . . . . . . . . . . . . . .
Ashtrays 2-64 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Audio Equipment, Adding 3-26 . . . . . . . . . . . . . . . . . . . . . . . .
Audio Systems 3-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Automatic Transmission
Check 7
-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fluid 6-19, 7-25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Park Mechanism Check 7-22 . . . . . . . . . . . . . . . . . . . . . . . .
Starting Your Engine 2-16 . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation 2-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Auxiliary Battery 4-69 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Auxiliary Roof Mounted Lamp Switch 2-54 . . . . . . . . . . . . . .
Axle, Front 6-27, 7-26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Axle, Locking Rear 2-42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Axle, Rear 6-25, 7-26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Battery 6-37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Auxiliary 4-69 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jump Starting 5-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Message 2-82 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacement, Keyless Entry 2-7 . . . . . . . . . . . . . . . . . . . . .
Run-Down Protection 2-56 . . . . . . . . . . . . . . . . . . . . . . . . .
Warnings 5-3, 5-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BBB Auto Line 8-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .