1999 CHEVROLET CORVETTE tires

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In 1984, the fourth generation of America's favorite
sports car anticipated the future with a sleek look and
advanced technology that provided superior handling
and performance. Windshield angle was the sheerest of
any domestic vehicle, cornering ability the tightest of
any production car. In short, the 1984 redesign enhanced
the Corvette's reputation as a leader in the world sports
car market.
After 44 years of production, Corvette only got better.
The fifth
-generation Corvette arrived in 1997, featuring
a completely restyled body and a new, all
-aluminum,
5.7 Liter, 345
-horsepower LS1 V8 engine.The structure of the fifth
-generation redesign is the
stiffest ever developed in 44 years of Corvette
production, resulting in unparalleled ride quality and
outstanding handling. Also unique to the new Corvette
is a rear
-mounted transmission.
Available as a Coupe for 1997, the new Corvette offered
such standard features as extended
-mobility tires, a
Bose
audio system, and a new, latch-operated roof
designed for easy removal.
With many design cues inspired by the classic models
of the 1960s, the new fifth-generation Corvette is an
impressive combination of sleek styling and world
-class
sports car performance. For 1998, in addition to the
Coupe, a convertible was reintroduced. The
fifth-generation Corvette rollout was completed in 1999
with the introduction of the hardtop model.

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2-83 Malfunction Indicator Lamp
(Check Engine Light)
Your vehicle is equipped
with a computer which
monitors operation of the
fuel, ignition and emission
control systems.
This system is called OBD II (On
-Board
Diagnostics
-Second Generation) and is intended to
assure that emissions are at acceptable levels for the life
of the vehicle, helping to produce a cleaner
environment. The CHECK ENGINE light comes on to
indicate that there is a problem and service is required.
Malfunctions often will be indicated by the system
before any problem is apparent. This may prevent more
serious damage to your vehicle. This system is also
designed to assist your service technician in correctly
diagnosing any malfunction.
NOTICE:
If you keep driving your vehicle with this light
on, after a while, your emission controls may not
work as well, your fuel economy may not be as
good and your engine may not run as smoothly.
This could lead to costly repairs that may not be
covered by your warranty.
NOTICE:
Modifications made to the engine, transmission,
exhaust or fuel system of your vehicle or the
replacement of the original tires with other than
those of the same Tire Performance Criteria
(TPC) can affect your vehicle's emission controls
and may cause the CHECK ENGINE light to
come on. Modifications to these systems could
lead to costly repairs not covered by your
warranty. This may also result in a failure to pass
a required Emission Inspection/Maintenance test.

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2-95
Press the GAGE button again to display the oil
temperature, such as:

OIL TEMP 234 F or

OIL TEMP 112 C
Press the GAGE button again to display the coolant
temperature, such as:

COOLANT TEMP 123 F or

COOLANT TEMP 51 C
Press the GAGE button again to display the transmission
fluid temperature (automatic transmission only),
such as:

TRANS FLUID 123 F or

TRANS FLUID 51 C
Press the GAGE button again to display the battery
voltage, such as:

BATTERY VOLTS 13.5
Press the GAGE button again to display the tire pressure
for the front tires (left and right), such as:

FRONT L34 R33 PSI or

FRONT L234 R228 kPaPress the GAGE button again to display the tire pressure
for the rear tires (left and right), such as:

REAR L34 R33 PSI or

REAR L234 R228 kPa
Note that tire pressure is not available until the vehicle
has reached a speed of 15 mph (24 km/h) or more.
3 TRIP
The TRIP button allows you to scroll through the
functions listed below when you press it.

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2-109
LOW TIRE PRESSURE: You will hear two chimes
when this message is displayed. To acknowledge the
warning, press RESET. After you press RESET, a
message will reappear and you will hear a chime every
10 minutes until this condition changes. This message
indicates that the pressure in one of your tires is less
than 25 psi (172 kPa). Next to the LOW TIRE
PRESSURE message, you can see either LF (left front),
LR (left rear), RF (right front) or RR (right rear) to
indicate to you which tire is low on pressure. You can
receive more than one tire pressure message at a time.
To read other messages that may have been sent at the
same time, press RESET. If a tire pressure message
appears on the DIC, stop as soon as you can. Have the
tire pressures checked and set to those shown on your
Tire Loading Information Label. See ªExtended
Mobility Tiresº in the Index.
CAUTION:
When the LOW TIRE PRESSURE or FLAT
TIRE message is displayed on the Driver
Information Center, your vehicle's handling
capabilities will be reduced during severe
maneuvers. If you drive too fast, you could lose
control of your vehicle. You or others could be
injured. Don't drive over 55 mph (90 km/h) when
the LOW TIRE PRESSURE or FLAT TIRE
message is displayed. Drive cautiously, and check
your tire pressures as soon as you can.

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FLAT TIRE: You will hear two chimes when this
message is displayed followed by the message MAX
SPEED 55 MPH (90 km/h). If this message appears, do
not drive your vehicle above these limits. The next
message to appear is REDUCED HANDLING. Adjust
your driving accordingly. To acknowledge these
warnings, press RESET. After you press RESET, a
message will reappear and you will hear a chime every
10 minutes until this condition changes. This message
indicates that the pressure in one of your tires is lower
than 5 psi (34 kPa). Next to the FLAT TIRE message,
you can see either LF (left front), LR (left rear), RF
(right front) or RR (right rear) to indicate to you which
tire is flat. You can receive more than one tire pressure
message at a time. To read other messages that may
have been sent at the same time, press RESET. If a tire
pressure message appears on the DIC, stop as soon as
you can. Have the tire pressures checked and set to those
shown on your Tire Loading Information Label. See
ªExtended Mobility Tiresº and ªTire Inflationº in
the Index.
CAUTION:
When the LOW TIRE PRESSURE or FLAT
TIRE message is displayed on the Driver
Information Center, your vehicle's handling
capabilities will be reduced during severe
maneuvers. If you drive too fast, you could lose
control of your vehicle. You or others could be
injured. Don't drive over 55 mph (90 km/h) when
the LOW TIRE PRESSURE or FLAT TIRE
message is displayed. Drive cautiously, and check
your tire pressures as soon as you can.

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2-111
HIGH TIRE PRESSURE - (LF, LR, RF, RR): Yo u
will hear two chimes when this message is displayed. To
acknowledge the warning, press RESET. After you press
RESET, a message will reappear and you will hear a
chime every 10 minutes until this condition changes.
This message indicates that the pressure in one of your
tires is higher than 42 psi (290 kPa). Next to the HIGH
TIRE PRESSURE message, you can see either LF
(left front), LR (left rear), RF (right front) or RR (right
rear) to indicate to you which tire is higher than 42 psi
(290 kPa). You can receive more than one tire pressure
message at a time. To read other messages that may
have been sent at the same time, press RESET. If a tire
pressure message appears on the DIC, stop as soon as
you can. Have the tire pressures checked and set to those
shown on your Tire Loading Information Label.
See ªExtended Mobility Tiresº and ªTire Inflationº
in the Index.SERVICE TIRE MON SYS: If this message comes on,
a part on the Tire Pressure Monitor (TPM) is not
working properly. If you drive your vehicle while any of
the four sensors are missing or inoperable, the warning
will come on in approximately 10 minutes. If all four
sensors are missing, the warning will come on in
approximately 15 to 20 minutes. (All the sensors would
be missing, for example, if you put different wheels on
your vehicle without transferring the sensors.) If the
warning comes on and stays on, there may be a problem
with the TPM. See your dealer.

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4-6
Control of a Vehicle
You have three systems that make your vehicle go where
you want it to go. They are the brakes, the steering and
the accelerator. All three systems have to do their work
at the places where the tires meet the road.
Sometimes, as when you're driving on snow or ice, it's
easy to ask more of those control systems than the tires
and road can provide. That means you can lose control
of your vehicle.
Braking
Braking action involves perception time and
reaction time.
First, you have to decide to push on the brake pedal.
That's perception time. Then you have to bring up your
foot and do it. That's reaction time.
Average reaction time is about 3/4 of a second. But
that's only an average. It might be less with one driver
and as long as two or three seconds or more with
another. Age, physical condition, alertness, coordination
and eyesight all play a part. So do alcohol, drugs and
frustration. But even in 3/4 of a second, a vehicle
moving at 60 mph (100 km/h) travels 66 feet (20 m).
That could be a lot of distance in an emergency, so
keeping enough space between your vehicle and others
is important.
And, of course, actual stopping distances vary greatly
with the surface of the road (whether it's pavement or
gravel); the condition of the road (wet, dry, icy); tire
tread; the condition of your brakes; the weight of the
vehicle and the amount of brake force applied.

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4-12 Braking in Emergencies
With anti-lock, you can steer and brake at the same
time. In many emergencies, steering can help you more
than even the very best braking.
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.
Magnasteer

Your vehicle is equipped with GM Magnasteer, a
steering system that continuously adjusts the effort you
feel when steering at all vehicle speeds. It provides ease
when parking yet a firm, solid feel at highway speeds.
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. Refer to ªTraction
Control Systemº in the Index.
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.