sensor CADILLAC SEVILLE 1999 5.G User Guide

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3-3
Passenger's Side Temperature Knob
The right front passenger can control the temperature
of air for both the front passenger and rear seat area.
(The passenger's and driver's knob adjust from 60
F
(16
C) to 90
F (32
C) independent of each other. It is
suggested, however, that the passenger's setting stay no
more than four degrees warmer or cooler in temperature
from the driver's setting.) To turn the system on, press
the passenger's side TEMP knob. Turn the passenger's
side TEMP knob clockwise to increase the temperature
and counterclockwise to decrease the temperature. Press
the passenger's side TEMP knob again to turn off the
passenger's side system. If the passenger's side is turned
off, the driver's side will control the temperature of the
entire vehicle.
Automatic Operation
When the system is set for automatic operation, sensors
will control the air delivery mode. Air will come from
the floor, the instrument panel or windshield outlets.
The fan speed will vary as the system maintains the
selected temperature setting.
Be careful not to put anything over the electronic solar
sensors located near the ends of the instrument panel
near the windshield. These sensors are used by the
automatic system to regulate temperature.To find your comfort zone, start with the 75
F (24
C)
setting and allow about 30 minutes for the system to
regulate. Turn the TEMP knob to adjust the temperature
if necessary. If you choose 60
F (16
C), the system
will remain at that maximum cooling setting and will
not regulate fan speed. If you choose 90
F (32
C),
the system will remain at that maximum heating setting
and will not regulate fan speed. Choosing either
maximum setting will not cause the system to heat
or cool any faster.
With the automatic setting, the air conditioning
compressor cycles when needed to cool the air. In cold
weather, when the system senses the need for heat,
the airflow will be directed out the floor outlets. As the
interior temperature approaches a desired setting,
the blower speed will decrease. To maintain interior
comfort, the airflow may move to the instrument panel
air outlets and floor outlets (bi
-level mode). On bright
sunny days in cold weather, the airflow may come out
of the air conditioning outlets (A/C mode) to maintain
comfort and prevent stuffiness.

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3-6 Electronic Solar Sensor
The sensor monitors the sun's solar radiation and is
located near the end of the instrument panel near
the windshield.
The climate control panel uses this information to
automatically make the necessary temperature and
airflow adjustments to maintain your comfort. The
climate control system may supply cooler air to one side
of your vehicle, if that side is facing the sun. Be careful
not to put anything over the sensor on top of the
instrument panel.
Air Conditioning
On hot days, open the windows long enough to let hot
inside air escape. This reduces the time it takes for your
vehicle to cool down. Then keep your windows closed
for the air conditioner to work its best. Your A/C setting
may be adjusted automatically or manually. It may also
be set separately on the passenger's side from the
driver's side. See ªClimate Control Panelº earlier in
this section.
Heating
Adjust the interior temperature to a comfortable level
and if the fan speed needs adjusting, press the up or
down arrow. Adjusting the fan speed will cancel the cold
air delay.
Outside air will be brought in and sent through the floor,
air conditioning or bi
-level outlets. The heater works
best if you keep your windows closed while using it.
In automatic operation, your fan will not run at high
speed to minimize warm
-up time.

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6-16
Engine Air Cleaner/Filter
The air cleaner is located next to the coolant surge tank
on the driver's side of the engine. Be sure the engine has
cooled before following these steps to replace the air
cleaner filter:
1. Disconnect the Intake
Air Temperature (IAT)
sensor from the clean
air duct.
2. With a screwdriver,
loosen the air duct
clamp, which is located
at the mass airflow
sensor end of the
air duct.
3. Disconnect the air duct from the mass airflow sensor.

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6-18
Follow these steps to reinstall the air cleaner assembly:
1. Slide the air cleaner lid into the slots in the bottom of
the air cleaner base.
2. Close the cover and make sure that both latches are
secure and fully engaged.
3. Reinstall the clean air duct over the mass airflow
sensor. Make sure that the duct is secure around the
entire outer edge of the sensor.
4. Tighten the air duct clamp.
5. Reconnect the IAT sensor.
Refer to the Maintenance Schedule to determine when to
replace the air filter.
See ªScheduled Maintenance Servicesº in the
Maintenance Schedule booklet.
CAUTION:
Operating the engine with the air cleaner/filter
off can cause you or others to be burned. The air
cleaner not only cleans the air, it stops flame if
the engine backfires. If it isn't there, and the
engine backfires, you could be burned. Don't
drive with it off, and be careful working on the
engine with the air cleaner/filter off.
NOTICE:
If the air cleaner/filter is off, a backfire can cause
a damaging engine fire. And, dirt can easily get
into your engine, which will damage it. Always
have the air cleaner/filter in place when
you're driving.

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6-30
NOTICE:

Using the wrong fluid can badly damage
brake system parts. For example, just a few
drops of mineral
-based oil, such as engine
oil, in your brake system can damage brake
system parts so badly that they'll have to be
replaced. Don't let someone put in the
wrong kind of fluid.

If you spill brake fluid on your vehicle's
painted surfaces, the paint finish can be
damaged. Be careful not to spill brake fluid
on your vehicle. If you do, wash it off
immediately. See ªAppearance Careº in
the Index.
Brake Wear
Your vehicle has four-wheel disc brakes.
Disc brake pads have built
-in wear indicators that make a
high
-pitched warning sound when the brake pads are worn
and new pads are needed. The sound may come and go or
be heard all the time your vehicle is moving (except when
you are pushing on the brake pedal firmly).
CAUTION:
The brake wear warning sound means that soon
your brakes won't work well. That could lead to
an accident. When you hear the brake wear
warning sound, have your vehicle serviced.
Your vehicle also has electronic wear sensors that let
you know when the brake pads are significantly worn
and new pads are needed. The CHANGE BRAKE
PADS message will be displayed on the Driver
Information Center when the brake pads are worn and
need to be replaced. (See ªChange Brake Pads Messageº
in the Index.)

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6-61
Minifuses
Fuse Usage
1 Not Used
2 Accessory
3 Windshield Wipers
4 Not Used
5 Headlamp Low Beam Left
6 Headlamp Low Beam RightFuse Usage
7 Instrument Panel
8 Powertrain Control Module Battery
9 Headlamp High Beam Right
10 Headlamp High Beam Left
11 Ignition 1
12 Not Used
13 Not Used
14 Cruise Control
15 Oxygen Sensor A
16 Injector Bank #2
17 Not Used
18 Powertrain Control Module Ignition
19 Direct Ignition System
20 Oxygen Sensor B
21 Injector Bank #1
22 Auxiliary Power
23 Cigar Lighter
24 Fog Lamps/Daytime Running Lamps
25 Horn
26 Air Conditioner Clutch

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8-5
Through Water 4-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Winter 4-25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
With a Trailer 4-36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DRL 2-44 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dual Temperature Control 3-2, 3-3 . . . . . . . . . . . . . . . . . . . . .
Electrical System 6-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrochromic Day/Night Rearview Mirror
with Compass 2
-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electronic Level Control 4-31 . . . . . . . . . . . . . . . . . . . . . . . . .
Electronic Solar Sensor 3-6 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine 6-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Cleaner/Filter 6-16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant 6-23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant Heater 2-22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant Hot, Idle Engine Message 2-81 . . . . . . . . . . . . . . .
Coolant Temperature Gage 2-72 . . . . . . . . . . . . . . . . . . . . .
Coolant Temperature Warning Light 2-71 . . . . . . . . . . . . . .
Cooling When Trailer Towing 4-39 . . . . . . . . . . . . . . . . . . .
Exhaust 2-32, 4-28, 4-35 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hot - A/C Off Message 2-81 . . . . . . . . . . . . . . . . . . . . . . . .
Identification 6-58 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Misfire -- Ease Off Gas Pedal Message 2-82 . . . . . . . . . . .
Overheated, Stop Engine Message 2-82 . . . . . . . . . . . . . . . .
Overheating 5-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Reduced Message 2-82 . . . . . . . . . . . . . . . . . . . . . . .
Running While Parked 2-33 . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications 6-68 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Speed Limiter 2-67 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starting Your 2-21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Engine Oil 6
-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adding 6-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Additives 6-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking 6-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Used 6-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
What Kind of Oil to Use 6-13 . . . . . . . . . . . . . . . . . . . . . . .
When to Change 6-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
English/Metric Display 2-66 . . . . . . . . . . . . . . . . . . . . . . . . . .
Ethanol 6-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exhaust, Engine 2-32, 4-28, 4-35 . . . . . . . . . . . . . . . . . . . . . .
Express-Down Window 2-34 . . . . . . . . . . . . . . . . . . . . . . . . . .
Exterior Lamps 2-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exterior Lighting 2-88 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exterior Lighting Battery Saver 2-47 . . . . . . . . . . . . . . . . . . . .
Fabric Cleaning 6-51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Filling a Portable Fuel Container 6-8 . . . . . . . . . . . . . . . . . . . .
Filling Your Tank 6-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Filter, Engine Air Cleaner 6-16 . . . . . . . . . . . . . . . . . . . . . . . .
Finish Care 6-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Finish Damage 6-56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
First Gear, Automatic Transaxle 2-26 . . . . . . . . . . . . . . . . . . .
Flashers, Hazard Warning 5-2 . . . . . . . . . . . . . . . . . . . . . . . . .
Flash-To-Pass Feature 2-37 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Flat Tire, Changing 5-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Floor Mats 2-57 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fluid
AutomaticTransaxle 6
-19 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brake 6-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Capacities 6-69 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Steering 6-26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Windshield Washer 2-39, 6-27 . . . . . . . . . . . . . . . . . . . . . .

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8-7
Ice Possible Message 2-82 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ignition Positions 2-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Illuminated Entry 2-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inadvertent Power Battery Saver 2-49 . . . . . . . . . . . . . . . . . . .
Indicator, Oil Life 2-92 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inflation, Tire Pressure 6-43 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Instrument Panel 2-62 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning the Top 6-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cluster 2-64 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Intensity/Brightness Control 2-47 . . . . . . . . . . . . . . . . . . . .
Interior Lamps 2-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jack, Tire 5-19, 5-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jump Starting 5-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Key in Recall 2-87 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Keyless Entry System, Remote 2-7 . . . . . . . . . . . . . . . . . . . . .
Keys 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Labels
Certification 4-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Parts Identification 6-58 . . . . . . . . . . . . . . . . . . . . .
Tire-Loading Information 4-30 . . . . . . . . . . . . . . . . . . . . . .
Vehicle Identification Number 6-58 . . . . . . . . . . . . . . . . . . .
Lamp, Malfunction Indicator 2-72 . . . . . . . . . . . . . . . . . . . . . .
Lamps
Cornering 2
-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Daytime Running 2-44 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exterior 2-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fog 2-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Instrument Panel Intensity/Brightness Control 2
-47 . . . . . .
Interior 2-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
On Reminder 2-44 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parking 2-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reading 2-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Underhood 6-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Leaving Your Vehicle 2-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Leaving Your Vehicle with the Engine Running 2-30 . . . . . . .
Left Rear Door Ajar Message 2-82 . . . . . . . . . . . . . . . . . . . . .
Light Sensor 2-46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lighted Visor Vanity Mirror 2-56 . . . . . . . . . . . . . . . . . . . . . .
Lighter 2-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lighting, Exterior 2-88 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lights
Air Bag Readiness 1
-21, 2-68 . . . . . . . . . . . . . . . . . . . . . . .
Anti-Lock Brake System Warning 2-70, 4-7 . . . . . . . . . . . .
Brake System Warning 2-69 . . . . . . . . . . . . . . . . . . . . . . . . .
Charging System 2-69 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cruise Control 2-76 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Coolant Temperature Warning 2-71 . . . . . . . . . . . . .
Flash at Lock 2-88 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Flash at Unlock 2-87 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fog Lamp 2-76 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lights On Reminder 2-76 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil Pressure 2-75 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
On Reminder Light 2-76 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parking Brake Indicator 2-70 . . . . . . . . . . . . . . . . . . . . . . . .
Safety Belt Reminder 1-7, 2-68 . . . . . . . . . . . . . . . . . . . . . .
Security 2-76 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Engine Soon 2-72 . . . . . . . . . . . . . . . . . . . . . . . . . .
Traction Control System Warning 2-71, 4-9 . . . . . . . . . . . .

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8-11
Seats
Adaptive 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Auto Exit 2-87 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heated 1-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lumbar Control 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Memory Function 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Restraint Systems 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Seat Controls 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Securing a Child Restraint 1-38, 1-40 . . . . . . . . . . . . . . . . .
Second Gear, Automatic Transaxle 2-26 . . . . . . . . . . . . . . . . .
Security Light 2-76 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Security System 2-15, 2-17 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service 6-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AC System Message 2-83 . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Bag Message 2-83 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bulletins, Ordering 7-11, 7-12 . . . . . . . . . . . . . . . . . . . . . . .
Charging Sys Message 2-83 . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Sys Message 2-83 . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Soon Light 2-72 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuel System Message 2-83 . . . . . . . . . . . . . . . . . . . . . . . . . .
Idle Control Message 2-83 . . . . . . . . . . . . . . . . . . . . . . . . . .
Manuals, Ordering 7-11, 7-12 . . . . . . . . . . . . . . . . . . . . . . .
Parts Identification Label 6-58 . . . . . . . . . . . . . . . . . . . . . . .
Publications, Ordering 7-11, 7-12 . . . . . . . . . . . . . . . . . . . .
Stability Sys Message 2-83 . . . . . . . . . . . . . . . . . . . . . . . . .
Steering Sys Message 2-84 . . . . . . . . . . . . . . . . . . . . . . . . . .
Suspension Sys Message 2-84 . . . . . . . . . . . . . . . . . . . . . . .
Theft System Message 2-84 . . . . . . . . . . . . . . . . . . . . . . . . .
Transmission Message 2-84 . . . . . . . . . . . . . . . . . . . . . . . . .
Vehicle Soon Message 2-84 . . . . . . . . . . . . . . . . . . . . . . . . .
Work, Doing Your Own 6-2 . . . . . . . . . . . . . . . . . . . . . . . . . Service and Appearance Care 6
-1 . . . . . . . . . . . . . . . . . . . . . .
Service and Owner Publications 7-11, 7-12 . . . . . . . . . . . . . .
Servicing Your Air Bag-Equipped Vehicle 1-26 . . . . . . . . . . .
Setting the Clock 3-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sheet Metal Damage 6-56 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Shift Lever Positions 2-24 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Shifting
Automatic Transaxle 2
-24 . . . . . . . . . . . . . . . . . . . . . . . . . .
Into PARK (P) 2-29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Out of PARK (P) 2-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Shoulder Belt Height Adjuster 1-13 . . . . . . . . . . . . . . . . . . . . .
Signaling Turns 2-36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SIR 1-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Skidding 4-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Solar Sensor, Electronic 3-6 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sound Equipment, Adding 3-33 . . . . . . . . . . . . . . . . . . . . . . . .
Spare Tire, Compact 5-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Speaker Covers, Cleaning 6-53 . . . . . . . . . . . . . . . . . . . . . . . .
Specifications and Capacities 6-68 . . . . . . . . . . . . . . . . . . . . . .
Speech Impaired, Customer Assistance 7-3 . . . . . . . . . . . . . . .
Speed Limited to 90 Message 2-84 . . . . . . . . . . . . . . . . . . . . .
Speedometer 2-65 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stability Sys Engaged Message 2-84 . . . . . . . . . . . . . . . . . . . .
Starting Disabled Remove Key Message 2-85 . . . . . . . . . . . . .
Starting Your Engine 2-21 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Steam 5-9, 5-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Steering 4-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
In Emergencies 4-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Magnasteer
4-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power 4-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Tilt Wheel 2-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tilt Wheel 2-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tips 4-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .