oil CHEVROLET CORVETTE 1993 4.G Owners Manual

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Transmitter Range Suggestions:
The range of the Passive Keyless
EMry system is very dependent on
bow
the transmitter is held. For
opthum range hd performance,
hold the transmitter
vertically when
approaching the vehicle.
If the range gradually decreases over
time even though the transiitter is
held
vertically, change the battery in
the transmitter.
The range will decrease if mure than
one3ransmitter is in range at the same
time.
Avoid taking more than one-
transmitter into vehicle range at the
same time.
Do not put the transmitter into a
metal container, which
will prevent
the
.signal from getting- to the vehicle.
hen you move the transmitter into
vehicle range, the
theft deterrent system
automatically disengages and the
driver's door automatically unlocks.
When you move the transmitter out of
vehide range with the' do.ors closed and
the
key out af the ignition, the system
will automatically:
Lock both .dooxs after -a five-second
Immediately arm the theft deterrent
Sound the horn once to signal that
Turn-off the interior lights.
delay.
system.
the doors are locked.
The theft deterrent system will still
operate using the .pma d0.w lock. See
the Index under .Universal The#?
DeZerrenzt.
You mEQT also Llnbclr the passenger
door by pressing the-DOOR-buttoil Qn
the transmitter, and the hatch by
pressing the HATCH button, but only
when the ignition is off.

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Engine Block Heafer
(LT7 ENGINE, CANADA ONLY)
In very cold weather, 0°F (-18°C) or
colder, the engine block heater can
he1p:You’ll get easier starting and
better fuel economy during engin,e
warm-up.
To Use the Engine Block Heater:
1. Turn off -the engine.
2..Open the hood and un-wrap the
3. Plug it into a normal,. gromded.
electrical
cord.
110-volt
outlet.
64
A.
Plugging the.:cord into an ’ ’ .
ungrounded outlet could
cause an ‘electrical shock. Also, the
wrong lund of extension cord could
overheat and cause
a.fire. You
could be seriously injured. Plug the
cord
into a properly grounded
three-prong 110-volt outlet.
If the
cord won’t reach, use a heavy-duty
three-prong extension cord rated
for at least 15 amps.
, After y0u’V.e used the. b1o.d~ .heat,eI,
be
sure to.stolre the cord--as’it-was
. befoxe., to keep it; away from m.oving--:-
-engine.parts. If you don’t, it .cdd
.be- damaged.
__
How long should you keep the block
heater plugged in? The answer depends
on the weather, the kind of oil you
have, and some other things. Instead of
trying to list everything here, we ask
that you contact a Chevrolet dealer in
the area where you’ll be parking your
vehicle. The dealer can give: you the best
advice for that particular area.

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lnsert the Engine Power Key into the
slot and turn claclnvise to FULL. An
indicat0r"light
will come on when FULL
power performance is operating. To
return to-NORMAL power, turn key
countercloclnvise. The indicator
light
should stop glowing. The key returns to
the center position when released. The
key can be removed when the engine is
in PULL or NORMAL power and only
from the center position.
The
FULL power setting provides
additional
power for highway touring
and off-road sports use as well as
reserve power for passing. Both primary
and secondary fuel intake runners and
injectors can operate when the
FULL
setting is chosen. I
When the ignition is shut off, the engine
reverts
to NORMAL power.
Your ZR-1 is capable of operating at
FULL power when the indicator light is
on and u.nder the following conditions:
The engine coolant and oil
temperatures are greater than 68°F
(200Cc) but less than 3OFF (150°C),
and
-The system voltage is greater than 10
volts, and
There is no SERVICE ENGINE
SOON light indicated on the Driver
Infomation Center. Switching
from the NORMAL to
the
FULL setting and from the FULL to
the NORMAL setting may be done at
engine speeds up to 4,000 rpm.
ZR-1 Toll-Free Number:
If you have any questions or concerns
about your
ZR-1 Special Performance
Coupe, call the following toll-free
telephone number
for ,assistance:
1-800-222-1020
(U.S. only).
75

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Your fuel gage bars light up when the-
ignition ken, -or if the ignition is off,
wken you turn on your.parking lights,
to’ show you about how much fuel you
have left..
When the normal display -is ,down to .the
last
two bars, the message RESERVE
will appear on the left of the-:gag.e.
Here are threethings that some owners
ask about. None of these show a
problem with your bel gage:
At. the gas station, the gas pump shuts
.off be€ore the gage reads F (Full).
It takes a little more or. less fu.el to fill
up than the gage indicated. For
.example., the gage may have. indicated
-t-he tank was half full, but it actually
t0.olr.a 1.ittle more or. less than half the
tanlr’s capacity to ‘fill the tank.
The gage moves a lit& whmyau turn
.a c-arner or spee.d up.
For your fuel tank cap,acity, see Service
Station Information an the last page of-
this manual.
Engine Oil Preesure Gage
Your oil pressure gage shows the oil
pressute .in psi (ptiunds per. s-quare
inch)
or l engine is runnhg. Oil pressure. may
vary with engine -speed, outside
temperature and .oil viscosity. In fact,
while the engine Is warmirig tip, the oil
pressure will be higher than at the
:normal operating ternpaature,
Readings ab.ove-.the shaded area
indicate the.,normal operating range.
If.the gage reads in the shaded area
when you’re idling and stays therej oil
isn’t running thrDugh your engine
properly.

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.Driving. your vehicle with low oil
pressure can cause extensive engine
-damage.
II D4
This gage shows your oil temperature in
degrees Fahrenheit +
It's normal fop the oil temperature to
vary, depending on the type of driving
you do and the weather conditions.. If
"you drive for a long time, such as on a
trip, the gage will show a higher reading-
than
if you had driven for only a short
time. And if it's hot -outside, the-reading
will be higher than if it were cold outside.
If your oil temperature approaches the
shaded area and stays there for some
time; your oil temperature is too high.
Check
the engine oil levei and bring
your vehicle in for service.
You should
also check the engine coolant temperature.
If your engine is to.0 hot, see the.Index
under Engine Cooling System.
For accurate gage measurements refer
to the GAUGES button on the Trip
Monitor (see the
Index under Trip
Monitor).

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LT1 Engine: Engine' Oil temperature
Gage
"LT5 Engiie: Engine Oil Temperature,
Gage
Voltmeter
Your chafging system gage will show
the rate of chafge-.when the engine is
running.
(When the engine is not
running, the- display measures the
voltage-
output of your battery.)
The reading will change sts the rate of
charge changes (with .engine speed,
etc.), but readings between the shaded
are.as indkate the noma1 operating.
range. Readings in either shaded area
indicate-a passible-problem with ydur
charging
system. The CHECK
GAUGES light will come on du-g
both high and.10-w battery voltages. See
your dealer
to have your system
sewiced immediately.
For accurate gage measurements refer
to the. GAUGES button on the Trip
Monitor
(se.e -the In&x under Trip
Monitor).

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Check Gauges Light
This light will come on briefly whien y6u
are starting the engine. I€ the light
comes on and stays on while you are
driving, check your various gages to see
if they are in the warning zones.
If this light comes on and stays on with
the engine running, this indicates one of
the following conditions:
high oil temperature
high coolant temperattiE’
high battery voltage
low battery voltage
IOW oil pressure
or low fuel level (zero bars showing).
I 08
Security Light
The SECURITY light reminds you to
arm your theft deterrent system by
flashing when the ignition is in Lock-
and the doors are opened. It keeps
flashing until
you arm the theft
deterrent system
by locking the doors
using the power door lock button or the
Passive Keyless Entry system.
Once the system
is armed, the light
stops flashing
and remains lit. When the
last
door is shut, the light will stay on
for two seconds and then
go out. It will
also remain lit if the hatch is left open
but the theft deterrent system is still
armed.
If you close the doors and the hatch
without arming the system, the
SECURITY light goes out immediately.
When you re-enter the vehicle, the light
w.ill flash until
you close the door or the
hatch,
or turn the ignition .on. See the
Index under PASS-Key TM and Universal
.Theft Deterrent.

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1 Engine ~e. oni it or
The Engine Oil Life Monitor us&&
engine oil temperature and engine
revolutions
to 'determine when the oil is
nearly worn out.
There ,is a CHANGE OIL light on the
left side ,of the- instrument cluster. It
comes
on for a fkw seconds as a bulb
check when you sta-rtyour vehicle. It
mrnes on and stays on when it is time
to change yuur oil.
The CHANGE OIL light is only a
reminder.
You should change, your oil at
$he intervals recommended in your
Maintersance- Schedule menif the
CHANGE OIL 1-ight hasn't come on.
Resetting the Engine Oil Life
Monitor:
1, %LEU the key to the Run pasition, but
don't
start the engine.
2. Press the ENG MET button .on the
Trip Monitor. Within five seconds,
press the ENG MET button again.
3. Within five seconds of step 2, press
and hold the GAUGES button on
the Trip Monitor. The CHANGE
OIL light d flash.
4..Hold the GAUGES button until the.
CHANGE OIL light stops flashing
and goes out; This should take about
ten seconds. When the light goes out,
the Engine Oil Life Monitor is reset.
If it doesn't reset, tum the- ignition to
Of€ and repeat the procedure.

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TRIP OD0 Press. this button to.
change the odometer. Ee,ading to- a trip
odometer--teading. P1es.s again ta-retm
the display to the odometer reading.,
The trip odometer can be u-sehl to
measure the actual distance you travel
on a trip. TQ -set it to zero, see TRIP
RESET below. The..adometer will.
ihrninate
with the fgni"tion off .and the
parkifig lights on.
TRIP RESET: With TRIP OD0
selected for, dis.play, .p ms ..and hold.the
TRJP button for two seconds to change
the trip odometer ,reading to zero.
ENG MET This batton chaqp the
display from customary .Uaited States
measures. (English) tu Canadian
measures (mettic).
OH femperature Display
GAUGES: E+& time this button is
prwsed the:
oil temperature
-4 coolant temperature.
.- or battery voltage
will be- digitally displayed.
The displey will change to:
HI OIL
HI COUL
HI VOLT
or LO VOLT,
.If conditions in the. c.prresponding gages
read higher or lower th.m normal.
If the oil mdxoolant ternpxatur.e$ arc
below 32°F (O,*C), the trip monitor will
display LO when the,actual gage
ternpiratwe is displayed I
Coolant Temperature Dtsplay
Battery Voltage Displ,ay

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Low Coolant Warning Light
If this light comes on, your system is
overheat. See the Index under Engine
Coolant and have your vehicle serviced
a low on coolant and the engine may
Driver Infomtation Center
The Driver Information Center (DIC)
gives you important safety and
maintenance
facts. It will display
warning lights
€or the following:
LOW COOLANT
LOW TIRE PRESSURE [Option]
SERVICE LTPWS (Low Tire
Pressure Warning System) [Option]
INFL REST (Inflatable Restraint)
(Charging System)
I12
SERVICE ABS (Anti-Lock Brake
SERVICE ENGINE SOON
SERVICE RIDE CONTROL
[Option]
LOW OIL
ABS ACTIVE
SERVICE ASR (Acceleration Slip
Regulation)
ASR ACTIVE
ASR OFF
PASSIVE KEYLESS ENTRY
System) as soon as you can.