ignition CHEVROLET OPTRA 5 2006 1.G Repair Manual

Starter Switch Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before you start, be sure you have enough room
around the vehicle.
2. Firmly apply both the parking brake and the regular
brake. SeeParking Brake on page 2-25if necessary.
Do not use the accelerator pedal, and be ready to
turn off the engine immediately if it starts.
3. On automatic transaxle 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 transaxle vehicles, put the shift lever in
NEUTRAL, 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 is not pushed all
the way down, your vehicle needs service.
Automatic Transaxle Shift Lock Control
System Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
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. SeeParking Brake
on page 2-25if necessary.
Be ready to apply the regular brake immediately if
the vehicle begins to move.
3. With the engine off, turn the ignition to ON, but do
not 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 needs service.
6-20

Ignition Transaxle Lock Check
While parked, and with the parking brake set, try to turn
the ignition to LOCK in each shift lever position.
•With an automatic transaxle, the ignition should turn
to LOCK only when the shift lever is in PARK (P).
•With a manual transaxle, the ignition should turn to
LOCK only when you press the key release button.
On all vehicles, the key should come out only in LOCK.
Turn the steering wheel to the left and to the right. It
should only lock when turned to the right.
Parking Brake and Automatic Transaxle
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 transaxle 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 the parking brake followed by the regular
brake.
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.
6-21

G
Gage
Engine Coolant Temperature.........................3-36
Fuel..........................................................3-42
Speedometer..............................................3-29
Tachometer.................................................3-29
Gasoline
Octane........................................................ 5-5
Specifications............................................... 5-5
Glove Box.....................................................2-34
GM Mobility Reimbursement Program.................. 7-5
H
Hazard Warning Flashers................................... 3-8
Head Restraints............................................... 1-8
Headlamp
Aiming .......................................................5-39
Headlamp Wiring............................................5-82
Headlamps....................................................5-40
Bulb Replacement.......................................5-40
Daytime Running Lamps...............................3-16
Flash-to-Pass..............................................3-10
Front Turn Signal and Parking Lamps.............5-42
Halogen Bulbs............................................5-40
High/Low Beam Changer..............................3-10Headlamps (cont.)
On Reminder..............................................3-16
Sidemarker Lamps.......................................5-44
Turn Signal Lamps......................................5-43
Heater...........................................................3-22
Hideaway Rear Storage Bins............................2-37
Highbeam On Light.........................................3-41
Highway Hypnosis...........................................4-21
Hill and Mountain Roads..................................4-21
Hold Mode Light.............................................3-36
Hood
Checking Things Under................................5-10
Release.....................................................5-10
Horn ............................................................... 3-8
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-16
Hydraulic Clutch.............................................5-19
I
Ignition Positions.............................................2-16
Infants and Young Children, Restraints...............1-30
Inflation - Tire Pressure...................................5-56
Inspection
Brake System.............................................6-23
Engine Cooling System................................6-23
6