1999 CHEVROLET CORVETTE lock

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6-69
Fuse Usage
1 Console Cigarette Lighter
2 Monitored (Inadvertent) Load
Control
3 Lumbar Seat
4 Driver Seat Control Module
5 Radio
6 Parking Lamps, TaillampsFuse Usage
7 Cigarette Lighter
8 Stoplamp, Hazard Flashers
9 Body Control Module
10 Windshield Wiper/Washer
11 Accessory Power
12 Blank
13 Body Control Module
14 Crank
15 Hazard/Turn Signal
16 Air Bag
17 Tonneau Release
18 HVAC Controls
19 Instrument Panel Control
20 Cruise Control
21 Brake
-Transmission Shift
Interlock
22 Body Control Module
- Ignition 3
23 Body Control Module
- Ignition 2

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6-71
Engine Compartment Fuse Block
There is one fuse block in the engine compartment
located on the passenger's side of the vehicle in front of
the battery.Fuse Usage
1 Rear Fog Lamp
2 Approach
3 Right Headlamp Motor
4 Left Headlamp Motor
5 ABS TRANS
6 Fog Lamp

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6-73
Fuse Usage
35 Micro Relay
- Fuel Pump
36 Micro Relay
- Horn
37 Micro Relay
- Rear Fog Lamp
38 Micro Relay
- Back-Up Lamps
39 Micro Relay
- Fog Lamp
40 Micro Relay
- AIR Solenoid
41 Micro Relay
- Selective Real Time
Damping
42 Mini Relay
- Ignition
43 Mini Relay
- Cooling Fan 2
44 Mini Relay
- Cooling Fan 3Fuse Usage
45 Mini Relay
- Cooling Fan 1
46 Maxi
-Fuse - Cooling Fan 2
47 Blank
48 Blank
49 Maxi
-Fuse - Cooling Fan 1
50 Maxi
-Fuse - Air Pump
51 Maxi
-Fuse - Selective Real Time
Damping Electronics
52 Maxi
-Fuse - Anti-Lock Brakes
53 Anti
-Lock Brakes
54 Fuse Puller

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7-14 At Least Twice a Year
Restraint System Check
Make sure the safety belt reminder light and all your
belts, buckles, latch plates, retractors and anchorages are
working properly. Look for any other loose or damaged
safety belt system parts. If you see anything that might
keep a safety belt system from doing its job, have it
repaired. Have any torn or frayed safety belts replaced.
Also look for any opened or broken air bag coverings,
and have them repaired or replaced. (The air bag system
does not need regular maintenance.)
Wiper Blade Check
Inspect wiper blades for wear or cracking. Replace blade
inserts that appear worn or damaged or that streak or
miss areas of the windshield. Also see ªWiper Blades,
Cleaningº in the Index.
Weatherstrip Lubrication
Silicone grease on weatherstrips will make them last
longer, seal better, and not stick or squeak. Apply
silicone grease with a clean cloth. During very cold,
damp weather more frequent application may be
required. (See ªRecommended Fluids and Lubricantsº in
the Index.)Manual Transmission Check
Check the transmission fluid level; add if needed. See
ªManual Transmission Fluidº in the Index. Check for
leaks. A fluid loss may indicate a problem. Have the
system inspected and repaired if needed.
Automatic Transmission Inspection
It is not necessary to check the transmission fluid level.
A transmission fluid leak is the only reason for fluid
loss. Check for leaks. If a leak occurs, take the vehicle to
your Chevrolet dealership Service Department and have
it repaired as soon as possible.
At Least Once a Year
Key Lock Cylinders Service
Lubricate the key lock cylinders with the lubricant
specified in Part D.
Body Lubrication Service
Lubricate all body door hinges. Also lubricate all hinges
and latches, including those for the hood, rear
compartment, console door and any folding seat
hardware. Part D tells you what to use. More frequent
lubrication may be required when exposed to a
corrosive environment.

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7-15
Starter Switch Check
CAUTION:
When you are doing this check, the vehicle could
move suddenly. If it does, you or others could be
injured. Follow the steps below.
1. Before you start, be sure you have enough room
around the vehicle.
2. Firmly apply both the parking brake (see ªParking
Brakeº in the Index if necessary) and the regular brake.
NOTE: Do not use the accelerator pedal, and be
ready to turn off the engine immediately if it starts.
3. On automatic transmission vehicles, try to start the
engine in each gear. The starter should work only in
PARK (P) or NEUTRAL (N). If the starter works in
any other position, your vehicle needs service.
On manual transmission vehicles, put the shift lever
in NEUTRAL (N), push the clutch down halfway
and try to start the engine. The starter should work
only when the clutch is pushed down all the way to
the floor. If the starter works when the clutch isn't
pushed all the way down, your vehicle needs service.Brake
-Transmission Shift Interlock (BTSI) Check
(Automatic Transmission)
CAUTION:
When you are doing this check, the vehicle could
move suddenly. If it does, you or others could be
injured. Follow the steps below.
1. Before you start, be sure you have enough
room around the vehicle. It should be parked on a
level surface.
2. Firmly apply the parking brake (see ªParking Brakeº
in the Index if necessary).
NOTE: Be ready to apply the regular brake
immediately if the vehicle begins to move.
3. With the engine off, turn the key to the ON position,
but don't start the engine. Without applying the
regular brake, try to move the shift lever out of
PARK (P) with normal effort. If the shift lever
moves out of PARK (P), your vehicle's BTSI
needs service.

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7-16
Ignition Automatic Transmission Lock Check
While parked, and with the parking brake set, try to turn
the ignition key to OFF in each shift lever position. The
key should turn to OFF only when the shift lever is in
PARK (P).
On all vehicles, the key should come out only in OFF.
Parking Brake and Automatic Transmission
PARK (P) Mechanism Check
CAUTION:
When you are doing this check, your vehicle
could begin to move. You or others could be
injured and property could be damaged. Make
sure there is room in front of your vehicle in case
it begins to roll. Be ready to apply the regular
brake at once should the vehicle begin to move.
Park on a fairly steep hill, with the vehicle facing
downhill. Keeping your foot on the regular brake, set the
parking brake.

To check the parking brake's holding ability: With
the engine running and transmission in
NEUTRAL (N), slowly remove foot pressure from
the regular brake pedal. Do this until the vehicle is
held by the parking brake only.

To check the PARK (P) mechanism's holding ability:
With the engine running, shift to PARK (P). Then
release all brakes.
Underbody Flushing Service
At least every spring, use plain water to flush any
corrosive materials from the underbody. Take care to
clean thoroughly any areas where mud and other debris
can collect.

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7-20
USAGEFLUID/LUBRICANT
Automatic
TransmissionDEXRON
-III Automatic
Transmission Fluid.
Key Lock
CylindersMulti-Purpose Lubricant,
Superlube
(GM Part
No. 12346241 or equivalent).
Rear Axle
(Limited
-Slip
Differential)
SAE 75W-90 Synthetic Axle
Lubricant (GM Part No. 12378261
or equivalent) meeting GM
Specification 9986115. With a
complete drain and refill add
4 ounces (118 ml) of Limited
-Slip
Axle Lubricant Additive (GM Part
No. 1052358 or equivalent) where
required. See ªRear Axleº in
the Index.
USAGEFLUID/LUBRICANT
Hood Latch
Assembly,
Secondary Latch,
Pivots, Spring
Anchor and
Release PawlLubriplate
Lubricant Aerosol
(GM Part No. 12346293 or
equivalent) or lubricant meeting
requirements of NLGI # 2,
Category LB or GC
-LB.
Hood and Door
HingesMulti-Purpose Lubricant,
Superlube
(GM Part
No. 12346241 or equivalent).
Weatherstrip
ConditioningDielectric Silicone Grease (GM
Part No. 12345579 or equivalent).

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8-6
Chevrolet Roadside Assistance Program
To enhance Chevrolet's strong commitment to customer
satisfaction, Chevrolet is excited to announce the
establishment of the Chevrolet Roadside Assistance
Center. As the owner of a 1999 Chevrolet, membership
in Roadside Assistance is free.
Roadside Assistance is available 24 hours a day,
365 days a year, by calling 1
-800-CHEV-USA
(1
-800-243-8872). This toll-free number will provide you
over
-the-phone roadside assistance with minor mechanical problems. If your problem cannot be resolved over the
phone, our advisors have access to a nationwide network of
dealer recommended service providers. Roadside
membership is free; however some services may incur costs.
Roadside offers two levels of service to the customer,
Basic Care and Courtesy Care:

Toll
-free number, 1-800-CHEV-USA

Free towing for warranty repairs

Basic over
-the-phone technical advice

Available dealer services at reasonable costs (i.e.,
wrecker services, locksmith/key service, glass
repair, etc.)
ROADSIDE Courtesy Care PROVIDES:

Roadside Basic Care services (as outlined previously)
Plus:

FREE Non
-Warranty Towing (to the closest dealer
from a legal roadway)

FREE Locksmith/Key Service (when keys are lost
on the road or locked inside)

FREE Jump Start (at home or on the road)

FREE Fuel Delivery ($5 of fuel delivered on
the road)