park assist GMC SIERRA 1999 Owner's Manual

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4-9
Steering
Power Steering
If you lose power steering assist because the engine
stops or the system is not functioning, you can steer but
it will take much more effort.
Speed Sensitive Steering
This system varies the amount of steering effort
proportionate to your vehicle speed. Steering is easier
at lower speeds for maneuvering and parking ease.
As your vehicle speed increases, the steering effort also
increases. At highway speeds, the amount of steering
effort is increased for vehicle control and stability.
Steering Tips
Driving on Curves
It's important to take curves at a reasonable speed.
A lot of the ªdriver lost controlº accidents mentioned on
the news happen on curves. Here's why:
Experienced driver or beginner, each of us is subject to
the same laws of physics when driving on curves. The
traction of the tires against the road surface makes it
possible for the vehicle to change its path when you turn
the front wheels. If there's no traction, inertia will keep
the vehicle going in the same direction. If you've ever
tried to steer a vehicle on wet ice, you'll understand this.The traction you can get in a curve depends on the
condition of your tires and the road surface, the angle at
which the curve is banked, and your speed. While you're
in a curve, speed is the one factor you can control.
Suppose you're steering through a sharp curve.
Then you suddenly accelerate. Both control
systems
-- steering and acceleration -- have to
do their work where the tires meet the road. Adding the
sudden acceleration can demand too much of those
places. You can lose control.
What should you do if this ever happens? Ease up on the
accelerator pedal, steer the vehicle the way you want it
to go, and slow down.
Speed limit signs near curves warn that you should
adjust your speed. Of course, the posted speeds are
based on good weather and road conditions. Under less
favorable conditions you'll want to go slower.
If you need to reduce your speed as you approach a
curve, do it before you enter the curve, while your front
wheels are straight ahead.
Try to adjust your speed so you can ªdriveº through the
curve. Maintain a reasonable, steady speed. Wait to
accelerate until you are out of the curve, and then
accelerate gently into the straightaway.

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9-2
Brake
Adjustment 6-37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fluid 6-34, 7-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Master Cylinder 6-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parking 2-25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pedal Travel 6-37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing System Parts 6-38 . . . . . . . . . . . . . . . . . . . . . . . .
System Warning Light 2-68 . . . . . . . . . . . . . . . . . . . . . . . . .
Trailer 4-56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transmission Shift Interlock Check 7-44 . . . . . . . . . . . . . . .
Wear 6-36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brakes, Anti-Lock 4-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Braking 4-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Braking in Emergencies 4-8 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Break-In, New Vehicle 2-10 . . . . . . . . . . . . . . . . . . . . . . . . . .
BTSI Check 7-44 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bulb Replacement 6-39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Camper Wiring Harness 4-48 . . . . . . . . . . . . . . . . . . . . . . . .
Camper-Type Mirror 2-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Canadian Roadside Assistance 8-7 . . . . . . . . . . . . . . . . . . . . . .
Capacities and Specifications 6-76 . . . . . . . . . . . . . . . . . . . . . .
Carbon Monoxide 2-31, 4-40 . . . . . . . . . . . . . . . . . . . . . . . . .
Care of Your Cassette Tape Player 3-26 . . . . . . . . . . . . . . . . . .
Cargo Lamp 2-44 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cassette Deck Service 7-41 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cassette Tape Player 3-10, 3-12 . . . . . . . . . . . . . . . . . . . . . . .
Cassette Tape Player Care 3-26 . . . . . . . . . . . . . . . . . . . . . . . .
Center Overhead Console 2-51 . . . . . . . . . . . . . . . . . . . . . . . .
Center Passenger Position 1-35 . . . . . . . . . . . . . . . . . . . . . . . .
Certification Label 4-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Certification/Tire Label 4
-43 . . . . . . . . . . . . . . . . . . . . . . . . . .
Chains, Safety 4-56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chains, Tire 6-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Changing a Flat Tire 5-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Charging System Light 2-67 . . . . . . . . . . . . . . . . . . . . . . . . . .
Check Gages Light 2-74 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking Your Restraint Systems 1-71 . . . . . . . . . . . . . . . . . .
Chemical Paint Spotting 6-67 . . . . . . . . . . . . . . . . . . . . . . . . . .
Child Restraints 1-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Securing in a Rear Outside Seat Position 1-54, 1-56 . . . . . .
Securing in the Center Seat Position 1-59 . . . . . . . . . . . . . .
Securing in the Right Front Seat Position 1-62, 1-64 . . . . .
Top Strap 1-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Where to Put 1-52, 1-53 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chrome Wheels, Cleaning 6-68 . . . . . . . . . . . . . . . . . . . . . . . .
Cigarette Lighter 2-58 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Breakers and Fuses 6-70 . . . . . . . . . . . . . . . . . . . . . . .
Cleaner/Filter, Air 6-17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning
Aluminum Wheels 6
-66 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exterior Lamps/Lenses 6-65 . . . . . . . . . . . . . . . . . . . . . . . .
Fabric 6-61 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Glass 6-64 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inside of Your Vehicle 6-61 . . . . . . . . . . . . . . . . . . . . . . . . .
Instrument Panel 6-63 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior Plastic Components 6-63 . . . . . . . . . . . . . . . . . . . . .
Leather 6-63 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Outside of Your Vehicle 6-65 . . . . . . . . . . . . . . . . . . . . . . . .
Special Problems 6-62 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stains 6-62 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tires 6-67 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vinyl 6-63 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .