reset CADILLAC ELDORADO 1999 10.G Owner's Guide

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5-10
Engine Overheating
You will find an ENGINE COOLANT HOT, IDLE
ENGINE message or an ENGINE OVERHEATED,
STOP ENGINE message on the Driver Information
Center (DIC). You will also hear a chime. There is also
an engine temperature warning light and/or gage on the
instrument panel. See ªEngine Coolant Temperature
Warning Lightº or ªEngine Coolant Temperature Gageº
in the Index.
Overheated Engine Protection
Operating Mode
Should an overheated engine condition exist and the
message ENGINE OVERHEATED, STOP ENGINE is
displayed, an overheat protection mode which alternates
firing groups of cylinders helps prevent engine damage.
In this mode, you will notice a loss in power and engine
performance. This operating mode allows your vehicle
to be driven to a safe place in an emergency; you may
drive up to 50 miles (80 km). Towing a trailer in the
overheat protection mode should be avoided.
NOTICE:
After driving in the overheated engine protection
operating mode, to avoid engine damage, allow
the engine to cool before attempting any repair.
The engine oil will be severely degraded. Repair
the cause of coolant loss, change the oil and
reset the oil life indicator. See ªEngine Oilº
in the Index.

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6-14
As shown in the chart, SAE 10W-30 is best for your
vehicle. However, you can use SAE 5W
-30 if it's going
to be colder than 60F (16C) before your next oil
change. When it's very cold, you should use
SAE 5W
-30. These numbers on an oil container show
its viscosity, or thickness. Do not use other viscosity
oils, such as SAE 20W
-50.
NOTICE:
Use only engine oil with the American Petroleum
Institute Certified For Gasoline Engines
ªStarburstº symbol. Failure to use the
recommended oil can result in engine damage not
covered by your warranty.
GM Goodwrench
oil meets all the requirements for
your vehicle.
If you are in an area where the temperature falls below
-20F (-29C), consider using either an SAE 5W-30
synthetic oil or an SAE 0W
-30 oil. Both will provide
easier cold starting and better protection for your engine
at extremely low temperatures.
Engine Oil Additives
Don't add anything to your oil. Your dealer is ready to
advise if you think something should be added.
When to Change Engine Oil
Your vehicle has a computer that lets you know when to
change your engine oil. This is not based on mileage,
but on engine revolutions and engine operating
temperature. When the computer has calculated that the
oil needs changing, the Oil Life Indicator will indicate
that a change is necessary. The mileage between oil
changes will vary depending on how you drive your
vehicle
-- usually between 3,000 miles (5 000 km) and
7,500 miles (12 500 km) since your last oil change.
Under severe conditions, the indicator may come on
before 3,000 miles (5 000 km). Never drive your vehicle
more than 7,500 miles (12 500 km) or 12 months
(whichever occurs first) without an oil change.
The system won't detect dust in the oil. So, if you drive
in a dusty area, be sure to change your oil every
3,000 miles (5 000 km) or sooner. Remember to reset
the Oil Life Indicator whenever the oil is changed.

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6-15
How to Reset the Oil Life Indicator
After the oil has been changed, display the OIL LIFE
LEFT message by pressing the SKIP INFO button. Then
press and hold the NO INFO RESET button until the
display shows 100% ENGINE OIL LIFE. This resets the
oil life index. The message will remain off until the next
oil change is needed. The percentage of oil life
remaining may be checked at any time by pressing the
SKIP INFO button several times until the OIL LIFE
LEFT message appears. For more information on the Oil
Life feature, see ªOil Life Indicatorº in the Index.What to Do with Used Oil
Did you know that used engine oil contains certain
elements that may be unhealthy for your skin and could
even cause cancer? Don't let used oil stay on your skin
for very long. Clean your skin and nails with soap and
water, or a good hand cleaner. Wash or properly throw
away clothing or rags containing used engine oil. (See
the manufacturer's warnings about the use and disposal
of oil products.)
Used oil can be a real threat to the environment. If you
change your own oil, be sure to drain all free
-flowing oil
from the filter before disposal. Don't ever dispose of oil
by putting it in the trash, pouring it on the ground, into
sewers, or into streams or bodies of water. Instead,
recycle it by taking it to a place that collects used oil. If
you have a problem properly disposing of your used oil,
ask your dealer, a service station or a local recycling
center for help.

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6-22 How to Reset Transaxle Fluid
Change Indicator
Your vehicle is equipped with a transaxle fluid change
indicator. A CHANGE TRANS FLUID message will
display on the Driver Information Center (DIC) when
the powertrain computer determines that the transaxle
fluid needs to be changed or at each 100,000 miles
(160 000 km) interval, whichever occurs first. See your
Maintenance Schedule booklet for more information.
When this message appears, change the transaxle fluid
and reset the transaxle fluid life indicator as follows:
1. Turn the ignition on but do not start the engine.
2. Press and hold the OFF and rear defog buttons on the
climate control system at the same time until the
TRANS FLUID RESET message appears on the DIC.
Surge Tank Pressure Cap
NOTICE:
The surge tank cap is a 15 psi (105 kPa)
pressure
-type cap and must be tightly installed
to prevent coolant loss and possible engine
damage from overheating. Be sure the arrows on
the cap line up.
If the surge tank pressure cap needs to be replaced, a
GM cap is recommended.

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6-23
Thermostat
Engine coolant temperature is controlled by a thermostat
in the engine coolant system. The thermostat stops the
flow of coolant through the radiator until the coolant
reaches a preset temperature.
If your thermostat needs to be replaced, a GM
thermostat is recommended.
Engine Coolant
The cooling system in your vehicle is filled with
DEX
-COOL
engine coolant. This coolant is designed
to remain in your vehicle for 5 years or 150,000 miles
(240 000 km), whichever occurs first, if you add only
DEX
-COOL
extended life coolant.
The following explains your cooling system and how
to add coolant when it is low. If you have a problem
with engine overheating, see ªEngine Overheatingº in
the Index.A 50/50 mixture of clean, drinkable water and
DEX
-COOL
coolant will:

Give freezing protection down to
-34F (-37C).

Give boiling protection up to 265F (129C).

Protect against rust and corrosion.

Help keep the proper engine temperature.

Let the warning lights and gages work as
they should.
NOTICE:
When adding coolant, it is important that you use
only DEX
-COOL (silicate-free) coolant.
If coolant other than DEX-COOL is added to the
system, premature engine, heater core or
radiator corrosion may result. In addition, the
engine coolant will require change sooner
-- at
30,000 miles (50 000 km) or 24 months,
whichever occurs first. Damage caused by the use
of coolant other than DEX
-COOL is not
covered by your new vehicle warranty.

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6-46
Grades B and A represent higher levels of performance
on the laboratory test wheel than the minimum required
by law.
Warning: The temperature grade for this tire is
established for a tire that is properly inflated and not
overloaded. Excessive speed, underinflation, or
excessive loading, either separately or in combination,
can cause heat buildup and possible tire failure.
Wheel Alignment and Tire Balance
The wheels on your vehicle were aligned and balanced
carefully at the factory to give you the longest tire life
and best overall performance.
Scheduled wheel alignment and wheel balancing are not
needed. However, if you notice unusual tire wear or
your vehicle pulling one way or the other, the alignment
may need to be reset. If you notice your vehicle
vibrating when driving on a smooth road, your wheels
may need to be rebalanced.
Wheel Replacement
Replace any wheel that is bent, cracked, or badly rusted
or corroded. If wheel nuts keep coming loose, the wheel,
wheel bolts and wheel nuts should be replaced. If the
wheel leaks air, replace it (except some aluminum
wheels, which can sometimes be repaired). See your
dealer if any of these conditions exist.Your dealer will know the kind of wheel you need.
Each new wheel should have the same load
-carrying
capacity, diameter, width, offset and be mounted the
same way as the one it replaces.
If you need to replace any of your wheels, wheel bolts
or wheel nuts, replace them only with new GM original
equipment parts. This way, you will be sure to have the
right wheel, wheel bolts and wheel nuts for your vehicle.
CAUTION:
Using the wrong replacement wheels, wheel bolts
or wheel nuts on your vehicle can be dangerous.
It could affect the braking and handling of your
vehicle, make your tires lose air and make you
lose control. You could have a collision in which
you or others could be injured. Always use
the correct wheel, wheel bolts and wheel nuts
for replacement.

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8-6
Fuel 6-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Canada 6-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Data Display 2-69 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Door Release 6-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Filling a Portable Container 6-8 . . . . . . . . . . . . . . . . . . . . . .
Filling Your Tank 6-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gage 2-69 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
In Foreign Countries 6-5 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Level Low Message 2-74 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuses
Circuit Breakers 6
-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Compartment 6-62 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Underhood 6-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Windshield Wipers 6-56 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gages
Engine Coolant Temperature 2-65 . . . . . . . . . . . . . . . . . . . .
Fuel 2-69 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Speedometer 2-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tachometer 2-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Garment Hooks 2-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GAWR 4-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gear Positions, Automatic Transaxle 2-21 . . . . . . . . . . . . . . . .
Glove Box 2-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GM Mobility Program for Persons with Disabilities 7-5 . . . . .
Gross Axle Weight Rating (GAWR) 4-30 . . . . . . . . . . . . . . . .
Gross Vehicle Weight Rating (GVWR) 4-30 . . . . . . . . . . . . . .
Guide en Fran†ais ii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GVWR 4
-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Halogen Bulbs 6-33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Handles, Assist 2-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hazard Warning Flashers 5-2 . . . . . . . . . . . . . . . . . . . . . . . . . .
Head Restraints 1-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Headlamps 2-40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bulb Replacement 6-33 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
High/Low Beam 2-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Suggested Message 2-74 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wiper Activated 2-40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wiring 6-56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hearing Impaired, Customer Assistance 7-3 . . . . . . . . . . . . . .
Heated Front Seat 1-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heating 3-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
High-Beam Headlamps 2-34 . . . . . . . . . . . . . . . . . . . . . . . . . .
Highway Hypnosis 4-22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hill and Mountain Road Driving 4-23 . . . . . . . . . . . . . . . . . . .
Hitches, Trailer 4-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hood
Checking Things Under 6
-8 . . . . . . . . . . . . . . . . . . . . . . . . .
Release 6-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hooks, Garment 2-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Horn 2-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
How to Add Coolant to the Coolant Surge Tank 5-15 . . . . . . .
How to Reset the Oil Life Indicator 6-15 . . . . . . . . . . . . . . . . .
How to Reset Transaxle Fluid Change Indicator 6-22 . . . . . . .
HVAC Steering Wheel Controls 3-9 . . . . . . . . . . . . . . . . . . . .
Hydraulic Brake Warning Lights 2-62 . . . . . . . . . . . . . . . . . . .
Hydroplaning 4-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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8-8
Locks 2-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Anti-Lockout Feature 2-5 . . . . . . . . . . . . . . . . . . . . . . . . . .
Automatic Door 2-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Door 2-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Door 2-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Programmable Automatic Door 2-5, 2-80 . . . . . . . . . . . . . .
Trunk Release 2-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lock/Unlock Confirmation 2-81 . . . . . . . . . . . . . . . . . . . . . . .
Loss of Control 4-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Low Refrig A/C Off Message 2-75 . . . . . . . . . . . . . . . . . . . . .
Lumbar Control 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lumbar, Massaging 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Magnasteer
4-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance
Normal Replacement Parts 6
-66 . . . . . . . . . . . . . . . . . . . . . .
Underbody 6-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
When Trailer Towing 4-37 . . . . . . . . . . . . . . . . . . . . . . . . . .
Malfunction Indicator Lamp 2-66 . . . . . . . . . . . . . . . . . . . . . .
Map Pocket 2-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Massaging Lumbar 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Matching Transmitters To Your Vehicle 2-7 . . . . . . . . . . . . . .
Mats, Floor 2-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MaxiFuses
/Relay Center 6-56 . . . . . . . . . . . . . . . . . . . . . . . .
Memory and Personalization Features 2-79 . . . . . . . . . . . . . . .
Memory Seat and Mirrors 1-3, 2-79 . . . . . . . . . . . . . . . . . . . .
Methanol 6-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Mirrors
Convex Outside 2
-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Curb View Assist 2-48, 2-83 . . . . . . . . . . . . . . . . . . . . . . . .
Driver's Outside Auto-Dimming Rearview 2-48 . . . . . . . . .
Lighted Visor Vanity 2-51 . . . . . . . . . . . . . . . . . . . . . . . . . .
Memory Function 1-3, 2-79 . . . . . . . . . . . . . . . . . . . . . . . . .
Power Remote Control 2-47 . . . . . . . . . . . . . . . . . . . . . . . . .
MMT 6-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model Reference ii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Monitored Systems OK Message 2
-75 . . . . . . . . . . . . . . . . . . .
Mountain Road Driving 4-23 . . . . . . . . . . . . . . . . . . . . . . . . . .
Multifunction Lever 2-33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Net, Convenience 2-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Neutral, Automatic Transaxle 2-23 . . . . . . . . . . . . . . . . . . . . .
New Vehicle Break-In 2-17 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Night Vision 4-16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Normal Maintenance Replacement Parts 6-66 . . . . . . . . . . . . .
Odometer 2-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Odometer, Trip 2-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Off-Road Recovery 4-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil
Engine 6
-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Life Indicator 2-84 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Life Indicator, How to Reset 6-15 . . . . . . . . . . . . . . . . . . . .
Pressure Light 2-68 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pressure Low Stop Engine Message 2-75 . . . . . . . . . . . . . .

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8-13
Traction 6-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Treadwear 6-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Uniform Quality Grading 6-45 . . . . . . . . . . . . . . . . . . . . . . .
Wear Indicators 6-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wheel Replacement 6-46 . . . . . . . . . . . . . . . . . . . . . . . . . . .
When It's Time for New 6-43 . . . . . . . . . . . . . . . . . . . . . . .
Top Speed Fuel Off Message 2-78 . . . . . . . . . . . . . . . . . . . . . .
Top Strap 1-40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Torque Lock 2-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Torque, Wheel Nut 5-28, 6-65 . . . . . . . . . . . . . . . . . . . . . . . . .
Towing a Trailer 4-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Towing, Recreational Vehicle 4-28 . . . . . . . . . . . . . . . . . . . . .
Towing Your Vehicle 5-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Traction
Control System 4
-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control System Warning Light 2-64, 4-9 . . . . . . . . . . . . . .
Engaged Message 2-78 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Off Message 2-78 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ready Message 2-78 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Suspended Message 2-78 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Trailer
Brakes 4
-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driving on Grades 4-36 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driving with 4-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Cooling When Towing 4-37 . . . . . . . . . . . . . . . . . . .
Hitches 4-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance When Towing 4-37 . . . . . . . . . . . . . . . . . . . . . Parking on Hills 4
-36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Chains 4-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tongue Weight 4-33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Total Weight on Tires 4-34 . . . . . . . . . . . . . . . . . . . . . . . . . .
Towing 4-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Turn Signals 4-36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Weight 4-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Trans Fluid Reset Message 2-78 . . . . . . . . . . . . . . . . . . . . . . .
Trans Hot Idle Eng Message 2-78 . . . . . . . . . . . . . . . . . . . . . .
Transaxle Fluid, Automatic 6-19 . . . . . . . . . . . . . . . . . . . . . . .
Transmitter, Universal 2-53 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transmitters, Remote Keyless Entry 2-6 . . . . . . . . . . . . . . . . .
Transportation, Courtesy 7-8 . . . . . . . . . . . . . . . . . . . . . . . . . .
Trip Odometer 2-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Trunk 2-9
Automatic Pull-Down Feature 2-12 . . . . . . . . . . . . . . . . . . .
CD Changer, Mounted 3-23 . . . . . . . . . . . . . . . . . . . . . . . . .
Lock Release 2-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Open Message 2-78 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage System 2-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TTY Users 7-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Turn and Lane Change Signals 2-33 . . . . . . . . . . . . . . . . . . . .
Turn Signal On Chime 2-33 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Turn Signal On Message 2-78 . . . . . . . . . . . . . . . . . . . . . . . . .
Turn Signal/Multifunction Lever 2-33 . . . . . . . . . . . . . . . . . . .
Turn Signals When Towing a Trailer 4-36 . . . . . . . . . . . . . . . .
Twilight Sentinel
2-42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .