2006 GMC SIERRA key

1. Open the spare tire lock cover on the bumper and
use the ignition key to remove the lock, if equipped
with a spare tire lock (J).
2. Assemble the wheel wrench (H) and the two jack
handle extensions (I) as shown.3. Insert the hoist end
(open end) (F) of the
extension through
the hole (G) in the
rear bumper.
Be sure the hoist end of the extension connects to
the hoist shaft (E). The ribbed square end of the
extension is used to lower the spare tire.
4. Turn the wheel wrench (H) counterclockwise to
lower the spare tire to the ground. Continue to
turn the wheel wrench until the spare tire can be
pulled out from under the vehicle.
If the spare tire does not lower to the ground,
the secondary latch is engaged causing the tire
not to lower. SeeSecondary Latch System
on page 5-105.
5-95

(f)Lubricate all key lock cylinders, body door hinges,
hood latch assembly, secondary latch, pivots, spring
anchor, release pawl, tailgate hinges, tailgate linkage,
tailgate handle pivot points, latch bolt, fuel door hinge,
locks, and folding seat hardware. More frequent
lubrication may be required when exposed to a corrosive
environment. Applying silicone grease on weatherstrips
with a clean cloth will make them last longer, seal better
and not stick or squeak.
(g)Check vent hose at transfer case for kinks and
proper installation.
(h)Change automatic transmission uid and lter if the
vehicle Gross Vehicle Weight Rating (GVWR) is over
8600 lbs or if the vehicle is mainly driven under one or
more of these conditions:
In heavy city traffic where the outside temperature
regularly reaches 90°F (32°C) or higher.
In hilly or mountainous terrain.
When doing frequent trailer towing.
Uses such as found in taxi, police or delivery
service.
(i)Drain, ush, and rell cooling system. This service can
be complex; you should have your dealer perform this
service. See Engine Coolant on page 5-35 for what to
use. Inspect hoses. Clean radiator, condenser, pressure
cap, and ller neck. Pressure test the cooling system and
pressure cap.(j)A uid loss in any vehicle system could indicate a
problem. Have the system inspected and repaired and
the uid level checked. Add uid if needed.
(k)Inspect system. Check all fuel and vapor lines and
hoses for proper hook-up, routing, and condition. Check
that the purge valve works properly, if equipped. Replace
as needed.
(l)Change clutch uid (or every 24 months, whichever
occurs rst).
(m)Change automatic transmission uid and lter if the
vehicle is mainly driven under one or more of these
conditions:
In heavy city traffic where the outside temperature
regularly reaches 90°F (32°C) or higher.
In hilly or mountainous terrain.
When doing frequent trailer towing.
Uses such as found in taxi, police, or delivery
service.
(n)Vehicles with diesel engine or with GVWR above
10,000 lbs (4 536 kg) only: Inspect shields for damage or
looseness. Adjust or replace as required. This is a Noise
Emission Control Service. Applicable to vehicles sold in
the United States and recommended for vehicles sold in
Canada.
6-10

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. SeeParking Brake
on page 2-52.
Be ready to apply the regular brake immediately if
the vehicle begins to move.3. With the engine off, turn the ignition to RUN, but do
not 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), contact your GM Goodwrench
®dealer
for service.
Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn
the ignition to LOCK in each shift lever position.
The ignition should turn to LOCK only when the
shift lever is in PARK (P).
The key should come out only in LOCK.
Contact your GM Goodwrench
®dealer if service is
required.
6-13

Usage Fluid/Lubricant
Engine OilEngine oil which meets GM
Standard GM6094M and displays
the American Petroleum Institute
Certied for Gasoline Engines
starburst symbol. GM Goodwrench
®
oil meets all the requirements for
your vehicle. To determine the
proper viscosity for your vehicle’s
engine, seeEngine Oil (Gasoline
Engine) on page 5-20.
Engine Coolant50/50 mixture of clean, drinkable
water and use only DEX-COOL
®
coolant. SeeEngine Coolant on
page 5-35.
Hydraulic Brake
SystemDelco
®Supreme 11 Brake Fluid or
equivalent DOT-3 brake uid.
Windshield
WasherGM Optikleen
®Washer Solvent.
Hydraulic
Clutch System
(5–Speed
Trans.)Hydraulic Clutch Fluid (GM Part
No. U.S. 12345347, in Canada
10953517) or equivalent DOT-3
brake uid.
Hydraulic
Clutch System
(6–Speed
Trans.)Hydraulic Clutch Fluid. Use only GM
Part No. U.S. 88958860, in Canada
88901244, Super DOT-4 brake uid.
Usage Fluid/Lubricant
Power Steering
SystemGM Power Steering Fluid (GM Part
No. U.S. 89021184, in Canada
89021186).
Manual
Transmission
(5–Speed with
Low Gear,
RPO MW3)GM Goodwrench
®Synthetic Manual
Transmission Fluid (GM Part
No. U.S. 12346190, in Canada
10953477) or equivalent SAE
75W-85 GL-4 gear oil.
Manual
Transmission
(5–Speed
without
Low Gear,
RPO MG5)Synchromesh Transmission Fluid
(GM Part No. U.S. 12345349, in
Canada 10953465).
Manual
Transmission
(6–Speed)Synthetic Transmission Fluid
approved to Allison Transmission
®
specication TES-295 (GM Part
No. U.S. 12378515, in Canada
88900701).
Automatic
TransmissionDEXRON
®-VI Automatic
Transmission Fluid.
Key Lock
CylindersMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241, in
Canada 10953474).
6-15

Roadside Assistance Program
As the owner of a new GMC vehicle, you are
automatically enrolled in the GMC Roadside Assistance
program. This value-added service is intended to provide
you with peace of mind as you drive in the city or travel
the open road. Call1-800-GMC-8782 (1-800-462-8782)
to speak with a GMC Road Assistance representative
24 hours a day, 365 days a year.
We will provide the following services during the
Bumper-to-Bumper warranty period, at no expense
to you:
Fuel Delivery:Delivery of enough fuel
($5 maximum) for the customer to get to the
nearest service station.
Lock-out Service (identication required):
Replacement keys or locksmith service will be
covered at no charge if you are unable to gain entry
into your vehicle. Delivery of the replacement key will
be covered within 10 miles (16 km).
Emergency Tow:Tow to the nearest dealership for
warranty service or in the event of a vehicle-disabling
accident. Assistance provided when the vehicle is
mired in sand, mud, or snow.
Flat Tire Change:Installation of a spare tire will be
covered at no charge. The customer is responsible
for the repair or replacement of the tire if not covered
by a warrantable failure.
Jump Start:No-start occurrences which require a
battery jump start will be covered at no charge.
Dealer Locator Service
Trip Routing:Your Roadside Assistance
Representative can provide you with specic
information regarding this feature.
Trip Interruption Expense Benets:Your
Roadside Assistance Representative can provide
you with specic information regarding this feature.
In many instances, mechanical failures are covered
under GMC’s Bumper-to-Bumper warranty. However,
when other services are utilized, our Roadside
Assistance Representatives will explain any payment
obligations you might incur.
7-6

Hood
Checking Things Under................................5-12
Release.....................................................5-13
Horn............................................................... 3-6
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-16
Hydraulic Clutch.............................................5-34
I
Ignition Positions.............................................2-22
Infants and Young Children, Restraints...............1-33
Ination -- Tire Pressure..................................5-79
Instrument Panel
Overview..................................................... 3-4
Instrument Panel (I/P)
Brightness..................................................3-18
Cluster.......................................................3-32
J
Jump Starting.................................................5-52
K
Keyless Entry System....................................... 2-4
Keys............................................................... 2-3
L
Labeling, Tire Sidewall.....................................5-73
Lamps
Auxiliary Roof Mounted Lamp........................3-18
Cargo........................................................3-19
Dome........................................................3-18
Dome Lamp Override...................................3-19
Fog ...........................................................3-17
Front Reading.............................................3-19
LATCH System
Child Restraints...........................................1-42
Latches, Seatback............................................ 1-8
Light
Airbag Off..................................................3-35
Airbag Readiness........................................3-35
Anti-Lock Brake System Warning...................3-42
Battery Warning..........................................3-40
Brake System Warning.................................3-41
Cargo Lamp...............................................3-50
Cruise Control.............................................3-49
Four-Wheel-Drive.........................................3-50
Highbeam On.............................................3-49
Low Fuel Warning.......................................3-51
Malfunction Indicator....................................3-46
Passenger Airbag Status Indicator..................3-37
Safety Belt Reminder...................................3-34
Security.....................................................3-49
7

Rearview Mirror, Automatic Dimming with
OnStar®and Compass.................................2-59
Rearview Mirror, Automatic Dimming with
OnStar
®, Compass and Temperature Display . . . 2-61
Rearview Mirrors.............................................2-59
Reclining Seatbacks.......................................... 1-6
Recommended Fluids and Lubricants.................6-14
Recovery Hooks.............................................4-47
Recreational Vehicle Towing.............................4-62
Remote Keyless Entry System............................ 2-4
Remote Keyless Entry System, Operation............ 2-5
Removing the Flat Tire and Installing the
Spare Tire..................................................5-96
Removing the Spare Tire and Tools...................5-92
Replacement Bulbs.........................................5-70
Reporting Safety Defects
Canadian Government..................................7-14
General Motors...........................................7-14
United States Government............................7-13
Restraint System Check
Checking the Restraint Systems....................1-87
Replacing Restraint System Parts
After a Crash..........................................1-88
Retained Accessory Power (RAP)......................2-23
Right Front Passenger Position, Safety Belts......1-25
Roadside
Assistance Program....................................... 7-6
Rocking Your Vehicle to Get it Out....................4-46
Routing, Engine Drive Belt...............................6-19
Running the Engine While Parked.....................2-58
S
Safety Belt
Reminder Light............................................3-34
Safety Belts
Care of....................................................5-116
Center Front Passenger Position....................1-25
Driver Position............................................1-16
How to Wear Safety Belts Properly................1-16
Questions and Answers About Safety Belts.....1-15
Rear Safety Belt Comfort Guides...................1-29
Rear Seat Passengers.................................1-26
Right Front Passenger Position......................1-25
Safety Belt Extender....................................1-30
Safety Belt Use During Pregnancy.................1-24
Safety Belts Are for Everyone.......................1-11
Safety Warnings and Symbols.............................. iii
Scheduled Maintenance..................................... 6-4
Seatback Latches............................................. 1-8
Seats
Head Restraints............................................ 1-7
Heated Seats............................................... 1-5
Manual........................................................ 1-3
Memory.....................................................2-83
Power Lumbar.............................................. 1-4
Power Seats................................................. 1-4
Rear Seat Operation...............................1-8, 1-9
Reclining Seatbacks...................................... 1-6
Seatback Latches.......................................... 1-8
Secondary Latch System................................5-105
11