2003 GMC ENVOY Driver side

Front Seats......................................................1-2
Power Seats..................................................1-2
Power Lumbar...............................................1-2
Heated Seats.................................................1-3
Power Reclining Seatbacks..............................1-4
Head Restraints.............................................1-5
Rear Seats.......................................................1-6
Rear Seat Operation.......................................1-6
Safety Belts.....................................................1-9
Safety Belts: They Are for Everyone.................1-9
Questions and Answers About Safety Belts......1-13
How to Wear Safety Belts Properly.................1-14
Driver Position..............................................1-14
Safety Belt Use During Pregnancy..................1-22
Right Front Passenger Position.......................1-22
Rear Seat Passengers..................................1-23
Rear Safety Belt Comfort Guides for
Children and Small Adults..........................1-26
Safety Belt Extender.....................................1-29
Child Restraints.............................................1-30
Older Children..............................................1-30
Infants and Young Children............................1-32
Child Restraint Systems.................................1-36
Where to Put the Restraint.............................1-39Top Strap....................................................1-40
Top Strap Anchor Location.............................1-41
Lower Anchorages and Top Tethers for
Children (LATCH System)...........................1-42
Securing a Child Restraint Designed for
the LATCH System....................................1-44
Securing a Child Restraint in a Rear
Outside Seat Position................................1-45
Securing a Child Restraint in the Center
Seat Position............................................1-48
Securing a Child Restraint in the Right
Front Seat Position....................................1-48
Air Bag Systems............................................1-51
Where Are the Air Bags?...............................1-54
When Should an Air Bag In¯ate?....................1-56
What Makes an Air Bag In¯ate?.....................1-57
How Does an Air Bag Restrain?.....................1-58
What Will You See After an Air
Bag In¯ates?............................................1-58
Servicing Your Air Bag-Equipped Vehicle.........1-60
Restraint System Check..................................1-60
Checking Your Restraint Systems...................1-60
Replacing Restraint System Parts
After a Crash............................................1-61
Section 1 Seats and Restraint Systems
1-1

Front Seats
Power Seats
Your vehicle may have this
feature. The power seat
controls are located on the
outboard side of the
front seat cushions. The
horizontal control adjusts
the seat cushion and
the vertical control adjusts
the seatback.
·Move the front of the horizontal seat control up or
down to adjust the front portion of the cushion.
·Move the rear of the seat control up or down to
adjust the rear portion of the cushion.
·Lift up or push down on the center of the seat
control to move the entire seat up or down.
·To move the seat forward or rearward, slide the
seat control forward or rearward.
·To recline the seatback, press the vertical control
rearward. To raise the seatback, press the vertical
control forward.
Power Lumbar
Your vehicle may have this feature. The driver's and
passenger's seatback lumbar support can be adjusted
by moving a control located on the outboard side of
the seat cushions.
To increase or decrease support, hold the control
forward or rearward. Keep in mind that as your seating
position changes, as it may during long trips, so
should the position of your lumbar support. Adjust the
seat as needed.
1-2

Air Bag Systems
This part explains the frontal and side impact air bag
systems.
Your vehicle has air bags ± a frontal air bag for the
driver and another frontal air bag for the right front
passenger. Your vehicle may also have a side impact
air bag. Side impact air bags are available for the driver
and right front passenger.
If your vehicle has a side impact air bag for the driver
and/or the right front passenger, the words AIR BAG will
appear on the air bag covering on the side of the
seatback closest to the door.
Frontal air bags are designed to help reduce the risk of
injury from the force of an in¯ating frontal air bag.
But these air bags must in¯ate very quickly to do their
job and comply with federal regulations.
1-51

Here are the most important things to know about the
air bag systems:
{CAUTION:
You can be severely injured or killed in a crash
if you aren't wearing your safety belt ± even if
you have air bags. Wearing your safety belt
during a crash helps reduce your chance of
hitting things inside the vehicle or being
ejected from it. Air bags are designed to work
with safety belts but don't replace them.
Frontal air bags for the driver and right front
passenger are designed to deploy only in
moderate to severe frontal and near frontal
crashes. They aren't designed to in¯ate at all in
rollover, rear or low-speed frontal crashes, or in
CAUTION: (Continued)
CAUTION: (Continued)
many side crashes. And, for some
unrestrained occupants, frontal air bags may
provide less protection in frontal crashes than
more forceful air bags have provided in the
past.
The side impact air bags for the driver and
right front passenger are designed to in¯ate
only in moderate to severe crashes where
something hits the side of your vehicle. They
aren't designed to in¯ate in frontal, in rollover
or in rear crashes.
Everyone in your vehicle should wear a safety
belt properly ± whether or not there's an air
bag for that person.
1-52

{CAUTION:
Both frontal and side impact air bags in¯ate
with great force, faster than the blink of an
eye. If you're too close to an in¯ating air bag,
as you would be if you were leaning forward, it
could seriously injure you. Safety belts
helpkeep you in position for air bag in¯ation
before and during a crash. Always wear your
safety belt, even with frontal air bags. The
driver should sit as far back as possible while
still maintaining control of the vehicle. Front
occupants should not lean on or sleep against
the door.
{CAUTION:
Anyone who is up against, or very close to,
any air bag when it in¯ates can be seriously
injured or killed. Air bags plus
lap-shoulderbelts offer the best protection for
adults, but not for young children and infants.
Neither the vehicle's safety belt system nor its
air bag system is designed for them. Young
children and infants need the protection that a
child restraint system can provide. Always
secure children properly in your vehicle. To
read how, see the part of this manual called
ªOlder Childrenº or ªInfants and Young
Children.º
1-53

The right front passenger's frontal air bag is in the
instrument panel on the passenger's side.If your vehicle has one, the driver's side impact air
bag is in the side of the driver's seatback closest to
the door.
1-55

If your vehicle has one, the right front passenger's side
impact air bag is in the side of the passenger's
seatback closest to the door.
{CAUTION:
If something is between an occupant and an
air bag, the bag might not in¯ate properly or it
might force the object into that person causing
severe injury or even death. The path of an
in¯ating air bag must be kept clear. Don't put
anything between an occupant and an air bag,
and don't attach or put anything on the
steering wheel hub or on or near any other air
bag covering. Don't let seat covers block the
in¯ation path of a side impact air bag.
When Should an Air Bag In¯ate?
The driver's and right front passenger's frontal air bags
are designed to in¯ate in moderate to severe frontal
or near-frontal crashes. But they are designed to in¯ate
only if the impact speed is above the system's
designed ªthreshold level.º
In addition, your vehicle has ªdual stageº frontal air
bags, which adjust the amount of restraint according to
crash severity. For moderate frontal impacts, these
air bags in¯ate at a level less than full deployment. For
more severe frontal impacts, full deployment occurs.
1-56

If the front of your vehicle goes straight into a wall
that doesn't move or deform, the threshold level for
the reduced deployment is about 12 to 16 mph
(19 to 26 km/h), and the threshold level for a full
deployment is about 16 to 25 mph (26 to 40 km/h). The
threshold level can vary, however, with speci®c
vehicle design, so that it can be somewhat above or
below this range.
If your vehicle strikes something that will move or
deform, such as a parked car, the threshold level will be
higher. The driver's and right front passenger's frontal
air bags are not designed to in¯ate in rollovers, rear
impacts, or in many side impacts because in¯ation
would not help the occupant.
Your vehicle may or may not have a side impact air
bag. See Air Bag Systems in the Index. Side impact air
bags are designed to in¯ate in moderate to severe
side crashes. A side impact air bag will in¯ate if
the crash severity is above the system's designed
ªthreshold level.º The threshold level can vary with
speci®c vehicle design. Side impact air bags are
not designed to in¯ate in frontal or near-frontal impacts,
rollovers or rear impacts, because in¯ation would not
help the occupant. A side impact air bag will only deploy
on the side of the vehicle that is struck.In any particular crash, no one can say whether an air
bag should have in¯ated simply because of the damage
to a vehicle or because of what the repair costs were.
For frontal air bags, in¯ation is determined by the angle
of the impact and how quickly the vehicle slows down
in frontal and near-frontal impacts. For side impact
air bags, in¯ation is determined by the location
and severity of the impact.
The air bag system is designed to work properly under
a wide range of conditions, including off-road usage.
Observe safe driving speeds, especially on rough
terrain. As always, wear your safety belt. See
Off-Road
Driving with Your Four-Wheel-Drive Vehicle on
page 4-15
for tips on off-road driving.
What Makes an Air Bag In¯ate?
In an impact of sufficient severity, the air bag sensing
system detects that the vehicle is in a crash. For
both frontal and side impact air bags, the sensing
system triggers a release of gas from the in¯ator, which
in¯ates the air bag. The in¯ator, the air bag and
related hardware are all part of the air bag modules.
Frontal air bag modules are located inside the steering
wheel and instrument panel. For vehicles with side
impact air bags, the air bag modules are located in the
seatback closest to the driver's and/or right front
passenger's door.
1-57