Page 12 of 436
How To Use This Manual
Vehicle Symbols
These are some of the symbols you will find on your vehicle. For example,
these symbols are
used on an original battery:
A
Caution
Possible Injury
Avoid Sparks or Flames Protect
Eyes
by Shielding Caustic Battery Acid
Could Cause Burns Spark or Flame Could
Explode Battery
These symbols are important for you and your passengers whenever your
vehicle is driven:
I 11
Fasten Safery Door Lock/Unlock
Belts
PO335
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Seats & Safety Belts
Seats and Seat Controls
This section tells you about the seats-how to adjust them, and fold them up
and down.
It also tells you about reclining front seatbacks and head
restraints.
Front Seats
Manual Front Seat
1
You can lose control of the vehicle if you try to adjust a manual
driver’s seat while the vehicle is moving. The sudden moveme\
nt
could startle and confuse you, or make you push a pedal when you
don’t want to. Adjust the driver’s seat only when the vehicle is not
moving.
I
K2102
Slide the lever at the front of the seat toward your door to unlock it. Slide
the seat
to where you want it. Then release the lever and try to move the
seat with your body,
to make sure the seat is locked into place.
1 -2
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![GMC SIERRA 1993 Owners Manual Seats & Safety Belts
If you have a Four Door Model, your front seatback is designe\
d not to fold
forward. Access to the rear of the cab is available by using the rear doors.](/manual-img/44/57859/w960_57859-19.png "GMC SIERRA 1993 Owners Manual Seats & Safety Belts
If you have a Four Door Model, your front seatback is designe\
d not to fold
forward. Access to the rear of the cab is available by using the rear doors.")
Seats & Safety Belts
If you have a Four Door Model, your front seatback is designe\
d not to fold
forward. Access to the rear of the cab is available by using the rear doors.
There’s one time the seatback may not fold without some help from you.
That’s
if your vehicle is parked going down a fairly steep hill. If this happens,
push the seatback toward the rear as you
lift this latch. Then the seatback
will fold forward. The latch must be down for the seat to work properly.
Seatback Latches (Bench Seat With Armrest)
K2547
The front seatback folds forward to let you access the rear of the cab.
If you have a Four Door
Model, your front seatback is designed not to fold
forward. Access
to the rear of the cab is available by using the rear doors.
To fold a seatback forward, pull this lever up and fold the seat\
back forward.
To return the seatback to the upright position, just push the seatback
rearward until it latches.
After returning the seatback
to its upright position, pull the seatback forward
to make sure it is locked.
1 CAUTION
If the seatback isn’t locked, it could move forward in a sudden stop
or crash. That could cause injury to the person sitting there. Always
press rearward
on the seatback to be sure 1 it is locked.
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Rear Seats
Rear Folding Seat (Extended Cab Models)
- - '' I
PO491
The extended cab may have a rear folding seat which can be f\
olded down
for more seating space.
To use the seat, pull the entire seat forward until it is flat. Pull forward on
the,
RELEASE lever, under the right-hand side of the seat cushion. Push the\
seatback rearward until it latches.
After pushing the seatback upright into position, pull the seat\
back forward to
make sure it is locked.
Rear Seat (Four Door Models)
You can adjust the seat by sliding the adjuster lever at the fron\
t of the seat
toward the 'door to unlock
it. Slide the seat to where yau want it. Then
release the lever and
try to move the seat with your body, to make sure the
seat is locked into place.
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Page 33 of 436
II
I
I I
AM120007
The driver has a lap-shoulder belt. Here’s how to wear it properly.
1. Close and lock the door.
2. Adjust the seat (to see how, see “Seats” in the Index) so you can sit
up straight.
II
I’
AN120120
3. Pick up the latch plate and pull the belt across you. On some models
you may hear
a clicking sound as the shoulder belt is pulled out or
when released back into the cover. This is the shoulder belt tension
reducing feature operating properly. Don’t let the belt get \
twisted.
4. Push the latch plate into the buckle until it clicks.
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Right Passenger Position (Pickup Models)
Right Front, Passenger Posltbn
(€Mended Cab
and Four Door ModeS)
The right front passenger’s safety belt works the same way as the driver’s
safety belt. See “Driver- Position,” earlier in this section.
When the lap portion of the belt is pulled out
all the way, it will lock. If it
does, let -it go back all the way and start again.
1-25
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![GMC SIERRA 1993 Owners Manual Featums & Controls
Section
Here you can learn about the many standard and optional featur\
es on your
vehicle. and information on starting. shifting. and braking
. Also explained](/manual-img/44/57859/w960_57859-68.png "GMC SIERRA 1993 Owners Manual Featums & Controls
Section
Here you can learn about the many standard and optional featur\
es on your
vehicle. and information on starting. shifting. and braking
. Also explained")
Featums & Controls
Section
Here you can learn about the many standard and optional featur\
es on your
vehicle. and information on starting. shifting. and braking
. Also explained are
the instrument panel and the warning systems that tell you
if everything is
working properly-and what to do
if you have a problem .
For explanation of vehicle symbols in this section. refer to “Vehicle
Symbols” in Section 0 .
Keys ........................................................................\
............................................... 2-3
Your Doors and How They Work
........................................................................\
2-5
Side Doors ........................................................................\
................................. 2-5
Door Locks
........................................................................\
................................. 2-6
Tailgate
........................................................................\
........................................... 2-8
Theft ........................................................................\
............................................... 2-9
New Vehicle Break-In
........................................................................\
................. 2-10
Ignition Switch
........................................................................\
............................. 2-10
Sterting Your Gasoline Engine
........................................................................\
... 2-12
Starting Your Diesel Engine
........................................................................\
....... 2-15
Automatic Transmission
........................................................................\
.............. 2-21
Five-Speed Manual Transmission (Without Low Gear)
.................................... 2-24
Five-Speed Manual Transmission (With Low Gear)
......................................... 2-25
Locking Rear Axle
........................................................................\
....................... 2-28
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Featurres & Controls
1
K5316
The door keys are for the doors and all other locks.
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![GMC SIERRA 1993 Owners Manual Rear Seats
Rear Folding Seat (Extended Cab Models)
- - I
PO491
The extended cab may have a rear folding seat which can be f\
olded down
for more seating space.
To use the](/manual-img/44/57859/w960_57859-22.png "GMC SIERRA 1993 Owners Manual Rear Seats
Rear Folding Seat (Extended Cab Models)
- - I
PO491
The extended cab may have a rear folding seat which can be f\
olded down
for more seating space.
To use the")
