1993 GMC Sierra Owners Manual

Starting Your Diesel Engine ............................................................................... 2-15 Automatic Transmission ...................................................................................... 2-21 .................................... 2-24 Five-Speed Manual Transmission (Without Low Gear) ......................................... 2-25 Five-Speed Manual Transmission (With Low Gear) Locking Rear Axle ............................................................................................... 2-28

2-1

Featums & Contmls

Parking Brake ...................................................................................................... 2-29 Parking Over Things That Burn ......................................................................... 2-33 Engine Exhaust ................................................................................................... 2-34 Running Your Engine While You’re Parked ...................................................... 2-35 Four-wheel Drive ................................................................................................ 2-36 Transfer Case .................................................................................................. 2-37 Front Axle Locking Feature ............................................................................ 2-38 Windows ............................................................................................................... 2-39 Horn ...................................................................................................................... 2-41 Tilt Wheel ............................................................................................................. 2-41 Multifunction Lever .............................................................................................. 2-42 ....................................................... 2-43 Turn Signal and Lane Change Indicator Headlight High-Low Beam .............................................................................. 2-44 Windshield Wipers ........................................................................................... 2-45 Windshield Washer .......................................................................................... 2-46 Cruise Control .................................................................................................. 2-47 Headlights and Vehicle Lighting ......................................................................... 2-53 Mirrors .................................................................................................................. 2-59 Sun Visors ........................................................................................................... 2-61 Cigarette LighterlAshtrays ................................................................................... 2-62 Storage Compartments ....................................................................................... 2-63 Instrument Cluster ............................................................................................... 2-70 Warning and Indicator Lights .......................................................................... 2-78 Gages ............................................................................................................... 2-87 2-91 2-91

Camper Wiring Harness ..................................................................................... Trailer Wiring Harness ........................................................................................

2-2

Keys

K2192

1 CAUTION

1 for many reasons. A child or others could

Leaving young children in

a vehicle with the ignition key

be badly injured or even

is dangerous

killed. They could operate power windows or other controls or even make the

. ! - I ? r~ 3. Don't leave the keys in a vehicle with small children.

The ignition keys are for the ignition

only.

K5127

2-3

Featurres & Controls

The door keys are for the doors

and all other locks.

K5316

2-4

1 NOTICE

Your vehicle has a number of new features that can

help prevent theft.

t you can have a

lot of trouble getting into your vehicle

if you ever

even have

to damage your veh

your keys inside. You may So be sure you have extra kev Your Doors and How They Work Side Doors To open the door from the outside, pull the handle open.

up and pull the door

lo in.

+*

To open the door from the inside, door open.

pull the lever toward you and push the

K2130

2-5

Features & Controls

Door Locks

Unlocked doors can be dangerous.

*- -.&&e;

g&sr'!G,, .. L. _ I . . " L .

y ' ? , . Lt;-

ssengers-especially children-can easily open the

$%$out. &z;;: When a door is locked, th Inside handle 13+AFyOutsi' s can easily e-L-!r thro -* e&%or stop your vehicle. -? ;:+ Y? -- This may not be ,- . .,$'.> x, . d L &

so obvious: You

doors and fa1

7 . .

l't OD(

it.

I an unlocKed aoor wnen you slow

thrown out of the vehicle in a crash if the doors aren't locked. Wear off safety belts properly, lock your whenever vou drive vour vehicle.

doors, and vou will be far better

increase the chance of being

There are several ways

to lock and unlock your vehicle:

2-6

-

.. -

K2209

slide the lever up.

all the doors at once. Press the switch marked

To unlock the door, Power Door Locks (Option) Press the bottom of the power door lock switch marked door, to lock unlock all the doors at once. On four-door models, the rear door power lock switch only that door’s lock. It won’t lock (or unlock) feature. Leaving Your Vehicle If you are leaving the vehicle, take your keys, open your door and set the locks from the inside. Then get out and close the door.

LOCK, on either front

UNLOCK to

on each door works

all of the doors-that’s a

safety

2-7

Features & Controls

Tailgate

I.

You can open the tailgate by lifting up on its handle while pulling the tailgate toward you. To shut the tailgate, When you put the tailgate back up, latches securely. Quick-Release Tailgate

from you into the latch.

pull it back towards you,

firmly push it away

to be sure

2-8

K2232

it

K2346

is secure.

that nothing we it impossible to steal. However, there are ways you can

If you have a quick-release

tailgate it can be removed

by:

1. Raising the tailgate slightly and removing both retaining cables. 2. Lift the tailgate at the right side and pull it out at the left side.

to reinstall. Make sure the tailgate

of theft deterrent features, we know

big business, especially in some cities. Although your

If you walk away from your vehicle with the keys inside, joy riders or professional

Reverse the above procedure Then Vehicle theft is a vehicle has a number put on it can make help. Key in the Ignition: it’s an easy target for you park your vehicle and open the driver’s you to remove your key from the ignition and take this. Your steering wheel will be locked, and an automatic transmission, taking your key out also locks your transmission. And remember Parking at Night: Park in a lighted spot, close vehicle. Remember to keep your valuables out area, or Parking Lots: it’s best to lock it up and take your keys. But what ignition key? What

If you park in a lot where someone will be watching your vehicle,

if you have to leave something valuable

take them with you.

so will your ignition.

to lock the doors.

door, you’ll hear a

if you have to leave your in your vehicle?

thieves-so don’t do it. When

tone reminding

it with you. Always do

If you have

all windows and lock your of sight. Put them

in a storage

Put your valuables in a storage area or console. Lock the console. Lock all doors except the driver’s, Then take the door key with you.

2-9

Features & Controls

New Vehicle “Bmak-Rn99 1 NOTICE

Jr modern vehicle doesn’t need an elaborate “break-in.” But it will

perform better in the long run

500 miles

if you follow these guidelines: 55 mph (88 kmlh) or less for the first

Keep your speed at (804 km). Don’t drive at any one speed-fast or slow-for the first (804 km). Don’t make Avoid making hard stops for the first During this time your new brake linings aren’t yet broken stops with new linings can mean premature wear and earlier replacement. Follow this “breaking-in” guideline every time you get new brake linings.

full-throttle starts.

200 miles (322 km) or so.

in. Hard

500 miles

a 3500 HD Model, see “Parking Brake” in the Index.

If you have Ignition Switch Use your square key ignition switch to five different positions:

to start your vehicle. The square key lets you turn the

RUN

Acc (Accessory): Acc lets you use things like the radio and the windshield is off. To get into Acc, push in the key and turn wipers when the engine toward you. Your steering wheel will remain locked, just as inserted the key.

it it was before you

KO404

2-1 0

to remove your key when the

LOCK: This position locks your ignition, steering wheel and transmission. It’s a theft deterrent feature. You will only be able to LOCK. ignition is turned Off: This position lets you turn Use Off example, if your vehicle is being pushed). Run: This is the position for driving. Start: This starts your engine.

off the engine but still turn the steering wheel.

if you must have your vehicle

in motion while the engine is

off (for

A On manual transmission vehicles, turning the key to A the steering column and result

vehicle. This could cause a collision. off while the vehicle is moving, turn the key only the key release lever while the vehicle

in a loss of ability to steer the

If you need to turn the engine

to OFF. Don’t move

is moving.

LOCK will lock

NOTICT f your key seems stuck :he way in. :urn the key hard. But turn the key only with your hand. Using a tool to ‘orce it could break the key :hen your vehicle needs service.

If it is, then turn the steering wheel

in LOCK and you can’t turn it, be sure

or the ignition switch.

it is all

left and right while you

If none of this works,

Key Release Levc-

The ignition key cannot be removed from the ignition vehicles unless the key release lever

is used. 2-1 1

KO495

of manual transmission

Features & Controls

A On manual transmission vehicles, turning the key to

LOCK will lock

3 steering column and result

in a loss of ability to steer the

vehicle. This could cause a collision. If you need to turn the engine off while the vehicle is moving, turn the key only to the key -‘?ase lever while the vehicle is mc

IQ.

OFF. Don’t move

to the LOCK position while pull

LOCK and pull

it straight

To Remove the Key On manual transmission vehicles, turn the key pressing the key release lever down. Keeping your finger on the lever, the key straight out. On automatic transmission vehicles, turn the key to out. Starting Your Gasoline Engine If you have a diesel engine, see “Starting Engines start differently. The 8th digit (VIN) shows the code letter or number for your engine. at the top left in the Index.) Follow the proper steps To Starl Your 4.3 Liter (Code Z) engine or 5.0 Liter (Code H) engine:

to start the engine.

of your Vehicle

Your Diesel Engine”

of your instrument panel. (See “Vehicle Identification Number”

in the Index. Identification Number You will find the VIN

1. Automatic Transmission

Move your shift lever in any other position-that’s a safety feature. already moving, use N (Neutral) only.

to P (Park) or N (Neutral). Your engine won’t start

To restart when you’re

NOTICE

Manual Transmission Shift your gear selector while starting the engine. Your vehicle won’t start not all the way down-that’s a safety feature.

to neutral and hold the clutch pedal

to the floor

if the clutch pedal is

2-1 2

2. Don’t push the accelerator pedal before starting your engine.

other vehicles you might need to do this, but because computer systems, you don’t.

In some of your vehicle’s

3. Turn your ignition key to

Start. When the engine starts, let go of the

key. The

idle speed will go down as your engine gets warm.

Holding your key your battery to be drained much sooner. And the :essive heal damage your starter motor.

in Start for longer than 15 seconds at a time will caus

in Start. If it doesn’t start in

4.

5.

it starts.

If it doesn’t start right away, hold your key three seconds, push the accelerator pedal about one-quarter down for 12 more seconds, or until If your engine still won’t start (or starts but then stops), it could be flooded with too much gasoline. Wait 15 seconds to let the starter motor cool down. Then push your accelerator pedal all the way to the floor. Hold it there. Then, hold the key in Start for no more than ten seconds. This clears the extra gasoline from the engine.

Try this:

of the way

If the engine still doesn’t start, wait another When the engine starts, let go of the key and accelerator pedal.

15 seconds and do it all again.

in your vehicle. If you

Your engine is designed to work with the electronics add electrical parts or accessories, you could change the way the fuel injection system operates. Before adding electrical equipment, check with -w dealer. If you don’t, your engine might not perform properly If you ever have to have your vehicle towed, see the part of this Manua that tells how to do it wit‘--.Jt damaging your ?hide. See “Tc Vehicle’’ in the lnde

‘ng Yo

To Start Your 5.7 Liter (Code K) engine or 7.4 Liter (Code N) engine:

1. Automatic Transmission

Move your shift lever in any other position-that’s already moving, use N (Neutral) only.

to P (Park) or N (Neutral). Your engine won’t start

a safety feature. To restart when you’re

2-1 3

Features &

to shift to P (Park) if your vehicle

Don’t try could damage the transmission. Shift stopped.

is moving. If you do, you to P (Park) only when your vehicle

is

Manual Transmission Shift your gear selector while starting the engine. Your vehicle won’t start not all the way down-that’s

a safety feature.

to neutral and hold the clutch pedal

to the floor

if the clutch pedal is

2. Don’t push the accelerator pedal before starting your engine.

In some

to do this, but because of your vehicle’s

other vehicles you might need computer systems, you don’t.

3. Turn your

ignition key to Start. When the engine starts,

let go of the

go down as your engine gets warm.

key. The idle speed will 7.4L Engine Cold Start: In cold weather, below 60” F (16” C), start the engine the same way but push the accelerator pedal one-quarter of the way down and hold it there for about 2 seconds after the engine starts.

Holding your key vwr battery to be drained much sooner. And the excessive heat can ,clmage your starter motor.

in Start for longer than 15 seconds at a time will cause

4. If it doesn’t start right away,

hold your key

in Start. If it doesn’t start in

three seconds, push the accelerator pedal about one-quarter of the way down for 12 more seconds, or until

it starts.

5. If your engine still won’t start (or starts but then stops), it could be

to let the starter motor cool down. Then push your

flooded with too much gasoline. Try this: Wait 15 seconds accelerator pedal all the way key in Start for no more than ten seconds. This clears the extra gasoline from the engine. seconds and do Step 5 again.

to the floor. Hold

If the engine still doesn’t start, wait another 15

it there. Then, hold the

Hot Engine Restart, 5.7L and 7.4L Engines (Vehicles Over your engine is already hot and then stalls, turn your ignition key turn your key engine.

to Run, and wait about 20 seconds before you restart your

8500 GVWR): If to Off. Then,

2-1 4

When the engine starts, let go of the key and accelerator pedal.

to work with the electronics in your vehicle. If you 1

Your engine is designed add electrical parts or accessories, you could change the way the fuel injection system operates. Before adding electrical equipment, check with your dealer. If you don’t, your engine might If you ever have that tells how Vehicle” in

to do it without damaging your vehicle. See “Towing

to have your vehicle towed, see the part

not perform properly.

the Index.

Your

of this Manu; .

NOTICE If you -drive too quickly through deep puddles or standing water, water can come in through your engine’s air intake and badly damage your engine. 1%- you can’t avoid deep puddles

or standing water, drive through very slowlv.

I --

8 inches deep if y o ~ Also, don’t drive through any standing water

Never drive through standing water more than vehicle has a diesel engine. faster than 5 mph (8 kmh). If you do, water can be drawn in through the air intake, and this can severely damage your engine. Driving In Snow (Diesel Engines) When driving in a heavy snowstorm snow can get into the air intake system. conditions, the air cleaner may get plugged, causing black smoke and power. In an emergency, remove the air cleaner. Then, drive to a place and put the air cleaner back on. Starting Your Diesel Engine Your diesel .engine starts differently than a gasoline engine.

is plugged with snow, you can of safety as soon as possible

or in swirling snow with a diesel engine,

If you keep driving in these

if the air cleaner

loss of

1. Automatic Transmission:

Move your shift lever to in any other position-that’s a safety feature. already moving, use N (Neutral) only.

P (Park) or N (Neutral). Your engine won’t start

To restart when you’re

2-1 5

Featums & Controls

Manual Transmission: Move your shift lever while starting the engine. Your vehicle won't start not all -the way down-that's a safety feature.

to neutral and hold the clutch pedal

to the floor

if the clutch pedal is

2. Turn your ignition key

to Run. Don't turn it to Start.

- L U U k

3. Press the accelerator pedal all the way down and then release

it.

With the ignition means that part of your engine When the light goes If the engine l s already warm,

in Run, the GLOW PLUGS light will come on. This

is being warmed up for better starting.

off, your engine

is ready to start.

4. If this light does not come on, or the instant the light goes

ignition key to Start. When the engine starts, let go

of the key.

this light may not come.'on. That's normal. off, turn your

2-1 6

it run for a few minutes before you move your

oil pressure build up. Your engine will sound louder when

When your engine is cold, let vehicle. This lets it's cold. NOTIP - If you're not in an idling vehicle and the engine overheats, you wouldn't This could damage your

there to see the coolant temperature gage. hicle. Don't let vour enaine run when you're not

in vour vehicle.

in cold weather.

Cold Weather Starting (Diesel Engine) The following tips will help you get good starting Use SAE IOW-30 oil when the outside temperature drops below freezing. 0°F (-18"C), use your engine When the outside temperature drops below block heater. If you park your vehicle in a garage, you shouldn't need to use the block heater until the garage temperature goes below cold it is outside. To use the engine block heater, first unwrap the electrical cord and volts), but:

plug it in. It uses normal house voltage

turn off the engine. Then open the hood,

0°F (-18"C), no matter how

(110

2-1 7

CAUTION

Plugging the cord into an ungrounded outlet could cause an electrical shock. Also, the wrong kind of extension cord could overheat and cause a fire. You could be seriously injured. Plug the cord into a properly grounded three-prong 11 0-volt outlet. If the cord won’t reach, use a heavy-duty three-prong extension cord rated for at least 15 amps.

1 NOTICE 1 After you’ve used the block heater, be sure

to store the cord in

~p@&%?yl~

If YOU

manner it was, to help keep it away from moving engine parts. don’t, it could be torn and damaged. How long should you keep on the weather, the kind of oil ,you have, and some other things. Follow chart.

tne MOCK neater plugged in? The answer depends this-

Viscosity Grade Oil

SAE I OW-30 SAE 15W-40

ENGINE BLOCK HEATER USAGE” ’ 0’ to -10°F

32’ $0 0°F (0” to &I S‘C)

’ ’ (-18’ to. -23°C) (B&w -23°C)

‘Belaw -1 0°F

Not

Required Nit ’ f3equired

Overnight or

Two Hours Two Hours

Eight

Hours or Overnight

Eight Hours

* The times listed are minimum. times.

It will not harm &her

the block heater

or the vehicle

to leave it plugged in longer than the times stated.

TO1 57 For best results in cold weather, use Number I-D diesel fuel or a “winterized” Number 2-D fuel. If Your Diesel Engine Won’t- Start If you’ve run out of fuel, look m the Index). Requirements and Fuel System” If you’re not out of fuel, and your engine won’t Turn y6ur ignition key Then turn the ignition key to Stkrt while you ‘push the accelerator pedal down.

to Run. .Make sure that the GLOW PLUGS light is out.

-at “Running Out Of Fuel” (see ‘‘Diesel Fuel

start, do this:

2-1 8

staiting your engine as soon as you- can for a starting system check.

. If the light. doesn’t go off, wait a few seconds, then try again. And, see your dealer If the light comes on and then goes out and you know your batteries are charged, but your engine still won’t start, your vehicle needs service. If your batteries don’t have enough .charge in the Index. Be sure you have the right oil for your engine, oil at the proper times. to start. If the engine starts, runs a NOTICE Don’t use starting “aids” such as ether or gasoline, in the m ~ v intakc They could damage your engine.

If you use the wrong oil, your engine may

to start ,your engine, see “Battery”

short time, then stops, your

and that you’ve changed the

vehicle needs service.

be harder

..-

- . - * In very cold weather, 0°F (-18°C) or colder, heater, it can help. You’ll get easier starting and better fuel economy during engine warm-up.

if you have an engine block

K2214

2-1 9

Features & Controls

To use the block heater:

1. Turn off the engine. 2. Open the hood and unwrap the electrical cord. 3. Plug it into a normal, grounded 110-volt outlet.

Plugging the cord into an ungrounded outlet could cause

- shock. Also, the wrong extension cord could overheat and cause a

fire. You could be seriously injured. Plug the cord into a properly grounded three-prong 110-volt outlet. heavy-duty three-prong extension cord rated for at least

If the cord won’t reach, use a

15 amps.

an electrical

After you’ve used the block heater, be sure manner it was, to help keep don’t, it could be torn and damaged.

to store the cord in the

it away from moving engine parts. If

you

How long should you keep the block heater plugged in? The answer depends on the weather, the kind of oil you have, and some other things. Instead of trying to list everything here, we ask that you contact a General Motors dealer in the area where you’ll be parking your vehicle. The dealer can give you the best advice for that particular area.

2-20

Automatic lLansmission

There are several different positions for your gear lever.

P (Park)

This locks your rear wheels. It’s the best position engine because your vehicle can’t move easily.

to use when you start your

K2362

* It is dangerous

to get out of your vehicle

if the shift lever is not fully Your vehicle can roll.

To be sure your vehicle

in P (Park) with the parking brake firmly set. Don’t leave your vehicle when the engine is running unless you have to. If you have left the engine running, the vehicle can move suddenly. You or others could be injured. won’t move, when you’re on fairly level ground, always set your P (Park). parking brake and move the shift lever to If you have four-wheel drive, your vehicle will be free to your shift lever is So, be sure the transfer See “Shifting Into P - I;’’ in tne 3 e x . If you are parking on a hill, if you’re pulling a traller, also see “Parking on Hills” or “Towing Trailer’’ in the Index.

in P (ParkLif your transfer case is in

s in a drive gear-not

cas

roll-even if N (Neutral).

N {“eutral).

or

2-2 1

Featums & Contmls

R (Reverse)

Use this gear to back up.

Shifting to R (Reverse) while your vehicle your transmission. Shift

to R (Reverse) only after your vehicle

is moving forward could damage is stopped.

damaging your transmission, see Snow” in the Index.

N (Neutral)

“If Yo$re Stuck:

In Sand, Mud,

Ice or

In this position, your engine doesn’t connect with the wheels. you’re already moving, use vehicle is being towed. CAUTION

To restart when N (Neutral) only. Also, use N (Neutral) when your

Shifting out of P (Park) or N (Neutral) while your engine (running at high speed) is dangerous. Unless your foot is firmly on the brake pedal, your vehicle could move very rapidly. You could lose control and hit people

or objects. Don’t shift out

of P (Park) or N

is “racing”

wI

! your enaine is racing.

OD (Automatic Overdrive)

This position is you’re:

- Going less than about

pedal about halfway down

for normal driving. If you need more power for passing, and

35 mph (56 km/h), push your accelerator

- Going about 35 mph (56 kmlh) or more, push the accelerator

all the

way down

to the next gear and have more power.

You’ll shift down OD should not be used when towing a trailer, carrying a heavy load, driving on steep hills, or for off-road driving. Select D (third gear) when operating the vehicle under any of these conditions.

2-22

I NOTICE

of P (Park) or N

Damage to your transmission caused by shifting out (Neutral) with the engine racing isn’t covered by your warranty.

D (Third Gear)

This is like OD, but you never go into Overdrive. You should use towing a trailer, carrying driving.

a heavy load, driving on steep hills, or for off-road

D when

2 (Second Gear)

It can help control your speed

This position gives you more power but lower fuel economy. on hills. roads, but then you would also want If you manually select use this feature for reducing torque start your vehicle from a stop on slippery road surfaces.

as you go down steep mountain to use your brakes off and on.

2, the transmission will drive in second gear. You may

to the rear wheels when you are trying

to

You can use 2

1 (First Gear)

This position gives you even more power (but lower fuel economy) than You can use lever is put in 1, the transmission won’t shift into first gear until the vehicle is going slowly enough.

it on very steep hills, or

in deep snow or mud.

2. If the selector

if in very deep sand or mud or were up against a. solid

NWTIGE If your rear wheels can’t rotate, don’t try you were stuck object. You could damage your transmission. AWZ ... ._,, , . , <,*,~l,<.,. Also, if you stop when going uphill, don’t hold your vehic there .,$*’,,&:&> accelerator pedal. This could overheat and damage brakes or shii into P (Park) to hdd your vehicle in position on a hill.

to drive. This might happen

with only the ,the transmission. Use your

,>&:a

2-23

Features & Controls

FivemSpeed Manual lZransmission (Without Low Gear)

This is your shift pattern. Here’s how to operate your transmission:

K2220

K2386

1 (First Gear)-Press the clutch pedal and shift into up on the clutch pedal as you press the accelerator pedal. You can shift into 1 when you’re going less than you’ve come to a complete stop and it’s hard to shift into shift lever in Neutral and let up on the clutch. Press the clutch pedal back down. Then shift into

1.

1. Then, slowly let

20 mph (32 kmlh). If

1, put the

2-24

you let up on the

the clutch pedal as

2 (Second Gear)-Press accelerator pedal and shift into 2. Then, slowly let up on the clutch pedal as you press the accelerator pedal. 3, 4 and 5 (Third, Fourth and Fifth Gears)-Shift same way you the accelerator pedal.

do for 2. Slowly let up on

into 3, 4 and 5 the the clutch pedal as you press

press the clutch pedal and the brake pedal, and

To Stop -Let up on the accelerator pedal and press before the vehicle stops, shift to Neutral. N (Neutral)-Use R (Reverse)-To back up, up on the clutch pedal slowly while pressing the accelerator pedal.

this position when you start or idle your

press down the clutch pedal and shift into

engine,

the brake pedal. Just

R. Let

Shift to R (Reverse) only after your vehicle (Reverse) while your vehicle is moving

is stopped. Shifting to R could damage your transmission for parking your vehicle.

Also, use Reverse, along with the parking brake, FivemSpeed Manual 7Fansmission (With Low Gear)

K2464

2-25

This is your shift pattern. Here’s how

to operate your transmission:

IC2287

the pedal as

the vehicle L at excessive

L position until

is not recommended for normal

L only when

L (Low Gear) (Overdrive Five-Speed Transmission Only)-Press L. Then, slowly let up on the clutch clutch pedal and shift into you press the accelerator pedal. Shift into speed is below 5 mph (8 km/h). If you try to shift into vehicle speeds, the shift lever will not move into the vehicle speed is reduced. L is intended for heavy loads and driving. 1 (First Gear)-Press the clutch pedal and shift into up on the clutch pedal as you press the accelerator pedal. You can shift into 1 when you’re going less than you’ve come shift lever back down. Then shift into vehicle speeds, the shift lever will not vehicle speed is reduced. 2 (Second Gear)-Press accelerator pedal and shift into pedal as you press the accelerator pedal. Higher Gears -Shift into the higher gears the same way you Slowly let up on the clutch pedal as you press the accelerator pedal.

to a complete stop and it’s hard

the clutch pedal as you let

1. If you try

up on the 2. Then, slowly let up on the clutch

to shift into 1 at excessive move into the 1 position until

1. Then, slowly

let

20 mph (32 kmlh). If

to shift into 1, put the

in N (Neutral) and let up on the clutch. Press the clutch

pedal

do for 2.

2-26

the clutch pedal and shift

this position when you start or idle your engine.

To Stop-Let up on the accelerator pedal and press the brake pedal. Just before the vehicle stops, press the clutch pedal and the brake pedal, and shift to N (Neutral). N (Neutral)-Use R (Reverse)-To back up, press the clutch pedal slowly while pressing the accelerator pedal. OD into R, the shift lever must first be placed centered between 2 and 3 prior to shifting into R. NOTICE Shift to R (Reverse) only after your vehicle - - (Reverse) while vour vehicle is movina could damaae vour transmission. Also, use Reverse, along with the parking brake, for parking your vehicle. Shift Light

is stopped. Shifting to R

in the N (Neutral) position

into R. Let up on If you shift from

K2317

SHIFT light. This light

to the next higher gear for best fuel economy.

If you have a manual transmission, you may have a will show you when to shift When this light comes on, you can shift road and traffic conditions let slowly and shift when the light comes on. While you accelerate, change the position of the accelerator. Ignore the SHIFT light when you downshift.

it is normal for the light

the best fuel economy, accelerate

to the next higher gear if weather,

to go on and

you. For

off if you quickly

2-27

Features & Controls

If your vehicle has four-wheel drive and is

Four-Wheel-Drive Vehicles Only: equipped with a manual transmission, disregard the shift light when the transfer case is Shift Speeds-Manual Transmission This chart shows when

in 4 LOW.

to shift to the next higher gear for best fuel economy.

MANUAL TRANSMISSION RECOMMENDED SHIFT SPEED

IN MPH (KMIH)

Acceleration Shift Speed 1 to 2

2 to 3

3 to 4

40 15 (64) 25 (40)

50 (80) 40 (64)

(24) 15 (24)

Cruise Shift Speed

1 to 2

2 to 3

3 to 4 45-50 25-40 (72-80) - -

(40-64)

Trans.

5-Speed*

Engine and VIN Code 4,3L V6 ( 4 5.7L V8

(K)

If your speed drops below smoothly, you should downshift two or more gears performance.

* Transmission with L (low) gear only. L (low) is intended for heavy loads and

is not recommended for normal driving.

20 mph (32 km/h), or

if the engine downshift to the next lower gear. You may have

to to keep the engine running smoothly or for good

is not running

TO1 61 I

I A If you skip more than one gear when I & control of your vehicle: And you could injure yourself

you downshift, you could lose

or others.

if you race the

Ju skip more than one gear when you downshift, or

;,,,ine when you downshift, you can damage the clutch or transmission. Locking Rear Axle If you have this feature, your rear axle can give you additional traction on It works like a standard axle most snow, mud, ice, sand or gravel. time, but when one of the locking feature will allow the wheel with traction

the rear wheels has no traction and the other does,

to move the vehicle.

of the

2-28

Parking Brake

K2221

To set the parking brake: Hold the regular brake pedal down with parking brake pedal with your left on. warning light will come To release the parking brake: Hold the regular brake pedal down. Pull the lever marked

your right

foot. Push down the

foot. If the ignition

is on, the brake system

RELEASE.

Driving with the parking brake on can cause your rear brakes You may your vehicle.

have to replace them, and you also da other

’ ‘

to overheat.

p;

of I

in the Index. That part shows how

If you are on a hill: See “Parking on Hills” wheels. If you are towing a trailer and are parking on any hill: See “Towing a the trailer from moving.

Trailer” in the Index. That part shows

to turn your front

what to do first to keep

2-29

Features & Controls

20

a hill and the transmission is placed

it has been burnished following these instructions.

Propshaft Brake Burnish Procedure If you have a 3500 HD Model, it is recommended that the propshaft mounted parking brake be burnished as part of the new vehicle break in. The parking brake will work best after Make 10 stops, using the parking brake foot pedal, from 20 mph (32 km/h) about 2 112 miles (4 km) apart. In between stops, drive the vehicle at mph (32 kmlh). Torque Lock The parking brake should be set first whenever leaving the driver’s seat. you are parked on the parking brake is set, the weight on the parking pawl lever out of P (Park). This is called “torque lock.” brake should be set When preparing of P (Park) BEFORE releasing the parking brake. Set the parking brake first, then release the transmission from If “torque lock” does occur, you may have your vehicle uphill a little to take some of the pressure off the transmission while you pull the selector lever out Shifting Into P (Park) (Automatic Transmission Models Only) 1 CAUTION

P (Park). to move the vehicle, the selector lever should be moved out

If in P (Park) before too much force

BEFORE moving the selector lever to

It may be difficult to pull the selector

P (Park), even on level surfaces.

to have another vehicle nudge

To prevent this, the parking

of the vehicle may put

in the transmission.

of P (Park).

of your vehicle if the shift lever is not Your vehicle can

It can be dangerous to get out fully in P (Park) with the parking brake firmly set. roll. If you have left the engine running, the vehicle You or others could be injured. TO be sure your vehicle won’t move, when you’re on fairly level ground, use If you have four-wheel drive and your transfer case your vehicle will be free to roll-even if your shift lever is {Park). So, be sure (Neutral). If you are parking on a hill, or if you’re pulling a trailer, also see “Parking on Hills9’ or “Towing a Trailer” in the Index.

in P the transfer case is in a drive gear-not N

can move suddenly.

the steps that follow.

is in N (Neutral),

2-30

Steering Column Shift Lever

1. Hold the brake pedal down with your right

brake.

foot and set the parking

2. Move the shift lever

into the P (Park) position like this:

Pull the lever toward you.

~- - - -

Move the lever up as far as

it will go.

3. If you have four-wheel drive, in N (Neutral).

gear-not

be sure the transfer case

is in a drive

KL" I "

4. Move the ignition key to LOCK. 5. Remove the key and take

vehicle with the ignition key

it with you. If you can walk away in your hand, your vehicle is in

from your P (Park).

2-31

A

Leaving Your Vehicle With the Engine Running (Automatic Transmission Models Only)

It can be dangerous to leave your vehicle with the engine running.

I CAUTION 1 Your vehicle could move suddenly (Park) with the parking brake firmly set. If you have a four-wheel drive with a manual transfer case shift lever and your transfer case roll, even case is in a drive gear-not in And, if you leave the vehicle with the engine running, overheat and even catch fire. leave your vehicle with the engine running unless you have to.

is in N (Neutral), your vehicle will be free to P (Park). So be sure the transfer N (Neutral).

it could You or others could be injured. Don’t

if the shift lever is not fully in

if your shift lever is in

P (Park) position, hold the regular

N (Neutral).

if you can move the shift lever away from

If you have to leave your vehicle with the engine running, be sure your vehicle is in P (Park) and your parking brake is firmly set, before you leave it. If you have a four-wheel drive, be sure that the transfer case is in a drive gear-not in After you’ve moved the shift lever into the brake pedal down. Then, see (Park) without first pulling it toward you. If you can, it means that the shift lever wasn’t fully locked into Parking Your Vehicle (Manual Transmission Models Only) Before you get out (Reverse) and firmly apply the parking brake. If you have four-wheel drive, be sure your transfer case is in a drive gear. Your vehicle could roll If you are parking on a hill, or see “Parking on Hills” or “Towing a Trailer” in the Index.

of your vehicle, put your manual transmission in

if your vehicle is equipped to tow a trailer,

if it isn’t.

P (Park).

2-32

Parking Over Things That Burn

I&

-*!

- - -

CAUTION A Things that can burn could touch hot exhaust parts under your

vehicle and ignite. Don't park over papers, leaves, dry grass or ol - r things that can burn.

AM220008

2-33

Featums & Contds

Engine Exhaust

d th.

t hr--- 'xhaust coming in

if:

Your exhaust system sounds strange or

- - Your vehicle sets rusty underneath. - Your vehicle was damaged when

* Your vehicle was damaged in a collision.

debris.

driving over high points on . I k

iii$!, road or over road - ' : -.- n, .'. .! .*: Repairs weren't done correctly.

. l I : .. : --., 3.:*-; Your vehicle or exhaust system had bee; modified improp&,

If you ever suspect exhaust

is coming into your vehicle:

Drive it only with all the windows down to blow out any and Have it fixed immediately

CO;

2-34

Running Your Engine While You% Parked [Automatic mansmission) It’s better not to park with the engine running. But if you ever have are some things 1 CAUTION

‘ jangerous exhaust into your vehicle. (See the earlier Caution under

* Idling the engine with the air system control

off could allow

to know.

**A :E ..:i *; !.< .. 5;:. ::.; ,$+ :

in a closed-in place can let deadly oxide

‘Engine Exhaust”.) ~ Also, Idling nto your vehicle, even place this can happen

if the fan switch is at the highest setting. One is a garage. Exhaust-with

co--(

-% -c ?& 2asily. NEVER park in a garage with the engine runni ?-! 4 n o t h e r Index.)

closed-in place can be a blizzard. (See “Blizzard“ in th

,I: - ‘ i

to, here

(CO)

It can be dangerous

if the shift lever is not

to get out of your vehicle

CAUTION L fully in P (Park) with the parking brake firmly set. Your vehicle can is running unless you roll. Don’t leave your vehicle when the engine have to. If you’ve left the engine running, the vehicle can move suddenly. You or others could be injured. To be sure your vehicle won’t move, even when you’re on fairly level ground,, always parking brake and move the shift lever is in N (Neutral}, If you have four-wheel drive and your transfer case if your shift lever is in P (Park), your vehicle will be free to roll, even So, be sure the transfer case is in a drive gear-not in N (Neutral). Foliow the proper -steps to be sure your vehicle won’t move. -See “Shifting Into P (Park)” in the Index. If you are parking on a hill, or if you’re pulling- -a- trailer, also see “Parking on Hilis”-.or “Towing -a Trailer”‘ in the Index.

to P (Park).

set your

2 3 5

I

Features & Contmls

Four- Wheel Drive CAUTION

to get out of your vehicle if the shift lever -is not Your vehicle can is running unless you

It can be dangerous fully in P (Park) with the parking brake firmly set. roll. Don’t leave your vehicle when the engine have to. If you’ve left the engine running, the vehicle can ‘move suddenly. You or -others could be injured. To be sure your vehicle won’t move, even when you’re on parking brake and move the shift lever If you have four-wheel drive and your transfer case your vehicle will be free to roll, even So, be sure the Follow the proper steps “Shifting Into P (Park)” in the Index. If you are parking on a hill, or “Parking ‘on Hills’’ or “Towing a Trailer”

if your shift lever transfer case is in a drive gear-not

to be suce your vehicle won’t move. See

if you’re pulling a trailer, also see

fairly level ground, always

is in N (Neutral), is in P’(Park). in N (Neutral).

to P (Park).

in this section.

set your

To get the most satisfaction out of

If your vehicle has four-wheel drive, you can send your engine’s driving power to all four wheels for extra traction. four-wheel drive, you must be familiar with it’s operation. Read the part that follows before using four-wheel drive. driving conditions. Rear-wheel antilock brakes do not work when you shift into four-wheel drive. Your regular brakes will still work. When you shift back into two-wheel drive, your rear-wheel antilock brakes will take over again. I NOTICE

You should use

2H for most normal

Driving in the 4H or 4L positions for a long time on could shorten the life of your vehicle’s drivetrain.

dry or wet pavement

2-36

Transfer Case

The transfer case shift lever is on the floor to the right of the driver. Use this lever to shift into and out of four-wheel drive. An indicator near the lever shows you the transfer case settings:

PO276

4L

2H 4H

K2224

2-37

Featwes & Contmk

lighting is not go

to the right of

transfer case

to brighten, or down to dim, your

is for driving in most street and highway situations.

up, or if the front axle light does of four-wheel drive, have your dealer check your

The front axle portion of the indicator diagram will light up when you shift into four-wheel drive. A slight delay between shifting and the indicator’s normal. If the indicator does not light out after you shift out system. When your headlights or parking lights are on, rotate the dial your headlight switch up indicator light. Transfer Case Shift Positions 2H (High): This setting Your front axle is not engaged 4H (High): This setting engages your front axle Use 4H when you need extra traction, such most off -road situations. N (Neutral): Shift to this setting only when your vehicle needs when using a power take 4L (Low): This setting also engages your front axle but should be used only for You can shift from 2H to 4H or from 4H to 2H while the vehicle Your front axle will engage faster for a few seconds after you shift. necessary to stop or slow To shift into or out of 4L or N (Neutral):

if you take your foot In extremely cold weather

is moving. off of the accelerator

off-road or on extremely slippery surfaces.

the vehicle to shift out of 2H.

as on wet or icy roads, or

to help drive your vehicle.

to give you extra traction,

in two-wheel drive.

it may be

off.

in

to be towed or

1. Slow the vehicle

to a roll, about 3 mph (5 kmlh) and shift your

transmission into neutral.

2. Shift the transfer case shift lever

in one continuous motion.

4L, or your

in 4H or 4L may reduce

in N (Neutral) as you shift the transfer case into

Don’t pause aears could clash. Kernember that driving four-wheel drive on dry pavement could cause your tires to wear faster and to shift. make your transfer case harder Front Axle Locking Feature The front axle locks and unlocks automatically case. A slight delay for the axle temperature is very hot, or the vehicle has been used under conditions, there may be a slight delay for the axle

to lock or unlock

to unlock.

when you shift the transfer

is normal. If the outside hard driving

fuel economy. Also, driving in

2-38

Whenever you are in four wheel-drive, does not operate. The regular brake system operates normally. When you shift back into two-wheel drive, the anti-lock brake system will operate. Windows

the rear wheel anti-lock brake system

on each door

to raise or

the controls are on each of the side

To open your manual windows, turn the hand crank lower your side door windows. If you have the optional power windows, doors. The driver's door has a switch power windows will work when the ignition has been turned Push the switch with the down pointing arrow Push the switch with

the up pointing arrow to raise the

to lower the window. window.

for the passenger windows as well.

Your

to ACC or Run.

2-39

Features & ContmIs

Sliding Rear Window r

K2230

To open the window, pull the

Your vehicle may have a sliding rear window. driver’s side of the latch forward and move it toward the passenger side. Slide the window open. When you close the windows, hook the latch on the passenger side window and press the driver’s side rearward firmly. Be sure the latch catches. Swing-Out Windows (Extended Cab)

If your vehicle has rear swing-out windows, just unlatch them at their clasps and push out on the glass

to open them.

K2231

2-40

Horn

c E,

To sound the horn, press the pad with the horn symbol on it. The pad is located in the center Tilt Wheel (Option)

of the steering wheel.

A tilt steering wheel allows you to adjust the steering wheel before you drive. You can also raise it to the highest level to give your legs more room when you exit and enter the vehicle.

2-41

K2319

K2185

Features & ContrOrs

To tilt the wheel, hold the steering wheel and steering wheel to a comfortable level, then release the lever in place. Mu/tifunction Lever

pull the lever. Move the

to lock the wheel

The lever on the left side

of the steering column includes your:

Turn Signal and Lane Change Indicator Headlight High-Low Beam & Passing Signal Windshield Wipers Windshield Washer Cruise Control (Option)

2-42

Turn Signa/ and Lane Change Indicator

( I

turn is

in the direction of the turn

or down. When the

the lever all the way up

to signal a turn or a lane change.

The turn signal has two upward (for Right) and two downward (for Left) positions. These positions allow you To signal a turn, move finished, the lever will return automatically. A green arrow on the instrument panel will flash or lane change. or lower the lever until the green arrow To signal a lane change, just raise starts to flash. Hold it there until you complete your lane change. The lever will return by itself when you release it. As you signal a turn or a lane change, normal, a signal bulb may be burned out and other drivers won't see your turn signal. If a bulb is burned out, replace arrows don't go on at all when you signal a turn, check the fuse (see "Fuses" in the Index) and for burned-out bulbs. Operation of Lighfs Although your vehicle's lighting system (headlights, parking lights, fog lamps, side marker lights and taillights) meet all applicable federal lighting requirements, certain states and provinces may apply their own lighting regulations that may require special attention before you operate these lights. For example, some jurisdictions may require that you operate your lower

it to help avoid an accident.

if the arrows flash twice as fast as

If the green

243

Features & Controls

beam lights with fog lamps at all times, or that headlights be turned on whenever you must use your windshield wipers. prohibit driving solely with parking lights, especially at dawn or dusk. It is recommended that you check with your own state or provincial highway authority for applicable lighting regulations. Headight High-Low Beam

In addition, most jurisdictions

K2242

To change the headlights from low beam to high or high to low, pull the turn signal lever all the way toward you. Then release are on, this blue light

on the instrument panel also will be on.

it. When the high beams

2-44

Features & Controls

Windshield Washer