2003 CHEVROLET SILVERADO parking brake

Automatic Transmission Shift Lock
Control System Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before you start, be sure you have enough room
around the vehicle. It should be parked on a level
surface.
2. Firmly apply the parking brake. See
Parking Brake
on page 2-44if necessary.
Be ready to apply the regular brake immediately if
the vehicle begins to move.3. With the engine off, turn the key to the RUN
position, but don't start the engine. Without applying
the regular brake, try to move the shift lever out
of PARK (P) with normal effort. If the shift lever
moves out of PARK (P), your vehicle needs service.
Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn
the ignition key to LOCK in each shift lever position.
·With an automatic transmission, the key should turn
to LOCK only when the shift lever is in PARK (P).
·With a manual transmission, the key should turn to
LOCK only when you press the key release button.
On all vehicles, the key should come out only in LOCK.
6-15

Parking Brake and Automatic
Transmission Park (P) Mechanism
Check
{CAUTION:
When you are doing this check, your vehicle
could begin to move. You or others could be
injured and property could be damaged. Make
sure there is room in front of your vehicle in
case it begins to roll. Be ready to apply the
regular brake at once should the vehicle begin
to move.Park on a fairly steep hill, with the vehicle facing
downhill. Keeping your foot on the regular brake, set the
parking brake.
·To check the parking brake's holding ability: With
the engine running and transmission in
NEUTRAL (N), slowly remove foot pressure from
the regular brake pedal. Do this until the vehicle is
held by the parking brake only.
·To check the PARK (P) mechanism's holding ability:
With the engine running, shift to PARK (P). Then
release the parking brake followed by the regular
brake.
Underbody Flushing Service
At least every spring, use plain water to ¯ush any
corrosive materials from the underbody. Take care to
clean thoroughly any areas where mud and other debris
can collect.
6-16

Throttle System Inspection
(V6 Only)
Inspect the throttle system for interference or binding,
and for damaged or missing parts. Replace parts
as needed. Replace any components that have high
effort or excessive wear. Do not lubricate accelerator
and cruise control cables.
Transfer Case and Front Axle
(All-Wheel Drive) Inspection
Every 12 months, or at engine oil change intervals,
check front axle and transfer case and add lubricant
when necessary. A ¯uid loss could indicate a problem.
Check and have it repaired, if needed. Check vent
hose at transfer case for kinks and proper installation.
Transfer Case and Front Axle
(Four-Wheel Drive) Inspection
Every 12 months or at engine oil change intervals,
check front axle and transfer case and add lubricant
when necessary. A ¯uid loss could indicate a problem;
check and have it repaired, if needed. On manual
shift transfer case, oil the control lever pivot point. Check
vent hose at transfer case for kinks and proper
installation. More frequent lubrication may be required
on off-road use.
Brake System Inspection
Inspect the complete system. Inspect brake lines and
hoses for proper hook-up, binding, leaks, cracks,
cha®ng, etc. Inspect disc brake pads for wear and rotors
for surface condition. Inspect other brake parts,
including calipers, parking brake, etc. You may need to
have your brakes inspected more often if your driving
habits or conditions result in frequent braking.
6-18

Audio System(s) (cont.)
Radio with CD............................................3-75
Radio with Six-Disc CD................................3-98
Rear Seat Audio (RSA)...............................3-120
Setting the Time for Radios with Radio Data
Systems (RDS)........................................3-72
Setting the Time for Radios without Radio
Data Systems (RDS)................................3-72
Theft-Deterrent Feature...............................3-121
Understanding Radio Reception...................3-123
XMŸ Satellite Radio Antenna System...........3-125
Automatic Headlamp System............................3-15
Automatic Transfer Case..................................2-37
Automatic Transmission Check..........................6-13
Automatic Transmission Shift Lock Control
System Check.............................................6-15
Automatic Transmission...................................2-22
Fluid..................................................5-23, 5-26
Operation...................................................2-25
Auxiliary Battery..............................................4-94
Auxiliary Roof Mounted Lamp Switch.................3-17
B
Backing Up....................................................4-86
BATTERY NOT CHARGING.............................3-65
Battery Replacement......................................... 2-6
Battery Run-Down Protection............................3-19
Battery Warning Light......................................3-42Battery..........................................................5-47
Before Leaving on a Long Trip.........................4-44
Before You Drive...........................................3-111
Before You Go Off-Roading..............................4-24
Body Lubrication Service..................................6-14
Brake Adjustment............................................5-47
Brake Fluid....................................................5-44
Brake Pedal Travel.........................................5-47
Brake Wear...................................................5-46
Brake............................................................2-44
Parking......................................................2-44
System Inspection.......................................6-18
System Warning Light..................................3-44
Brakes..........................................................5-44
Braking in Emergencies..................................... 4-8
Braking........................................................... 4-6
Break-In, New Vehicle.....................................2-20
BUCKLE PASSENGER....................................3-65
BUCKLE SEATBELT.......................................3-65
Bulb Replacement...........................................5-59
Center High-Mounted Stoplamp (CHMSL) and
Cargo Lamp............................................5-63
Front Turn Signal, Sidemarker and Daytime
Running Lamps........................................5-61
Halogen Bulbs............................................5-59
Headlamps.................................................5-59
Pickup Box Identi®cation and Fender Marker
Lamps....................................................5-65
Replacement Bulbs......................................5-67
Roof Marker Lamps.....................................5-62
2

Oil ................................................................5-16
Engine.......................................................5-16
Pressure Gage............................................3-51
Older Children, Restraints................................1-31
Online Owner Center........................................ 7-3
OnStar
žPersonal Calling.................................2-63
OnStaržServices............................................2-63
OnStaržSteering Wheel Controls......................2-64
OnStaržSystem.............................................2-62
OnStaržVirtual Advisor....................................2-63
Operating Your All-Wheel-Drive Vehicle Off
Paved Roads..............................................4-22
Other Warning Devices...................................... 3-6
Outlet Adjustment...................................3-24, 3-32
Outside Power Camper-Type Mirror...................2-60
Outside.........................................................2-61
Automatic Dimming Mirror.............................2-61
Camper-Type Mirrors....................................2-59
Convex Mirror.............................................2-62
Curb View Assist Mirrors..............................2-61
Heated Mirrors............................................2-62
Manual Mirrors............................................2-59
Power Foldaway Mirrors...............................2-61
Power Mirrors.............................................2-60
West Coast-Type Mirrors..............................2-59
Overdrive Disable...........................................3-53
Overdrive Disable
(Allison Transmission
ž) .................................2-28
Overheated Engine Protection Operating Mode
(V8 Engines Only).......................................5-33Overseas ± Customer Assistance........................ 7-4
Owners, Canadian............................................... ii
Owner's Information........................................7-10
P
Park (P)........................................................2-46
Shifting Into................................................2-46
Shifting Out of............................................2-49
Parking Brake and Automatic Transmission
Park (P) Mechanism Check...........................6-16
Parking on Hills..............................................4-88
Parking Your Vehicle.......................................2-49
Parking.........................................................2-44
Brake........................................................2-44
Over Things That Burn.................................2-50
Part A - Scheduled Maintenance Services............ 6-4
Part B - Owner Checks and Services................6-12
Part C - Periodic MaintenanceInspections..........6-17
Part D - Recommended Fluids and Lubricants....6-19
Part E - Maintenance Record...........................6-22
Passenger Air Bag Indicator.....................2-56, 2-58
Passenger Air Bag Status Indicator...................3-40
PASSENGER DOOR AJAR..............................3-67
Passenger Sensing System..............................1-76
Passing.................................................4-19, 4-86
Passlock
ž......................................................2-19
Payload.........................................................4-60
Personalization Button.....................................3-58
12