
Table of Contents
For information on how to use the Touch Screen, the High Power Connector, and the audio and
navigation systems, refer to the separate manuals provided in your owners package.Introduction and consumer information
Important notes about your vehicle 1-2
Important notes about this manual 1-3
Consumer information 1-4
Your vehicle at a glance Exterior 2-2
Interior 2-4
Seating an d safety restraints
Seats 3-2
Seat belts 3-3
Airbag system 3-6
Doors, locks, and s ecurity
Keys 4-2
Do ors
4-4
Trunk 4-6
Vehicle security 4-7
Charging your vehicle General information about charging 5-2
Charge settings 5-4
Charging components 5-6
Driving your vehicle Driving basics 6-2
Switches and controls 6-7
Instruments 6-11
Comfort and convenience Power windows 7-2
Rear view mirrors 7-3
Interior temperature control 7-4
Interior accessories 7-7
Removable roof 7-9
HomeLink® 7-15Audio and navigation systems
8-1
Maintenance and care Maintenance 9-2
Fluid reservoirs 9-4
Windshield wiper and washer 9-6
Cleaning and vehicle care 9-7
Roadside emergencies Tool kit 10-2
Energy Depletion 10-3
Tire repair 10-4
Wheels 10-6
Fuse replacement 10-7
Bulb replacement 10-9
Raising the vehicle 10-11
Vehicle recovery 10-13
Technical specifications Vehicle identification 11-2
Wheels and tires 11-4
Approved fluids and capacities 11-14
Vehicle dimensions and weights 11-15
Subsystem specifications 11-17
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11-1
Technical specifications
Vehicle identificationVehicle Identification Number 11-2
Safety compliance certification label 1 1-3
Wheels and tires Specifications and tire pressures 11-4
Tire markings 11-5
Tire placard/label 11-7
Uniform tire quality grading 11-7
Tire care 11-8
Tire Pressure Monitoring System 11 -11
Dynamic tire pressure monitoring 11-12
Wheels and tires glossary 11-13
Approved fluids and capacities Fluid specifications 11-14
Capacities 11-14
Vehicle dimensions and weights Exterior dimensions 11-15
Vehicle weights 11-16
Subsystem specifications Motor 11-17
Transmission 11-17
Steering 11-17
Front suspension 11-18
Rear suspension 11-18
Brakes 11-18
Electrical 11-19
Battery 11-19
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Wheels and tires
11-5
Technical specifications
TR0057
225/45 R17/91 MADE IN JAPAN AD07 19444-2 STEEL BELTED RADIAL TUBELESS G4 0224943-S DOT FDH8 NWA1706
SAFETY WARNING DUE TO IMPROPER MOUNTING. ONLY SPECIALLY TRAINED PERSONS SHOU LD MOUNT TIRES
SERIOUS INJURY MAY RESULT FROM TIRE FAILURE DUE TO UNDERINFLATION/OVERLOADING - FOLLOW OWNER’S MAUAL OR TIRE FLAGARD
DANGER: DO NOT MOUNT ON 17 RIM. NEVER INFLATE BEYOND 275kPa (40psi) TO SEAT BEAD
TREADWARE 180 TRACTION AA TEMPERATURE A
ADVAN AD07 LTS
225/45R17 91W YOKOHAMA
1
12 2
3
4 5
6 7
8
9
10
11
Tire markings1, Tire widthThis three digit number gives the width in
millimeters of the tire from sidewall edge to
sidewall edge.2, Aspect ratioThis two digit number, known as the aspect
ratio or profile, gives the sidewall height as a
percentage of the tread width. So, if the tread
width is 205 mm, and the aspect ratio is 50,
the sidewall height will be 102 mm.3, Tire constructionR indicates that the tire is of Radial ply
construction.4, Wheel diameterThis two digit number is the diameter of the
wheel rim in inches.5, Load indexThis two or three digit number is the tire's load
index. It is a measurement of how much
weight each tire can support. This number is
not always shown.6, Speed ratingThe speed rating, when stated, denotes the
maximum speed at which the tire should be
used for extended periods. The ratings range
from 99 mph to 186 mph. These ratings are
listed in the following table.
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Wheels and tires
11-7
Technical specifications
Tire placard/labelThe tire information label on the pillar behind
the driver’s door contains the following
information:
• The maximum number of occupants for
the vehicle.
• The vehicle capacity weight, which
includes the weight of the driver,
passengers and cargo.
• The size of the tires with which the
vehicle was originally equipped.
• Cold inflation pressures for the front and
rear tires.
Note: The label must not be changed, even if
different wheels are fitted at a later stage.Steps for determining correct load
limit
WARNING: Do not exceed the vehicle
capacity weight (the total weight of
driver, passenger and cargo) given.
S
WARNING: Overloading the vehicle will
have an adverse affect on braking and
handling characteristics, which could
compromise your safety.
S
1. Locate the statement “The combined weight of occupants and cargo should
neve r exce e d 2 50 kg or 5 51 l bs ” as s h ow n
on your vehicle’s placard.
2. Determine the combined weight of the driver and passengers that will be riding
in your vehicle.
3. Subtract the combined weight of the driver and passengers from 250 kg or 551
lbs (weight given on placard).
4. The resulting figure equals the available amount of cargo and luggage load
capacity. For example, if there will be two
150 lb passengers in your vehicle, the
amount of available cargo and luggage
load capacity is 251 lbs: (551 - 300 (2 x
150) = 251 lbs).
TR0091
TIRE AND LOADING INFORMATIONSEATING CAPACITY TOTAL 2 FRONT2 REAR 0
SEE OWNERSMANUAL FOR ADDITIONAL
INFORMATION
The combined weight of occupants and cargo should never exceed 250 kg or 551lbs
ORIGINAL TIRE SIZE
COLD TIRE INFLATION PRESSURE
175/55R16
225/45R17 FRONT
REAR
207kPa, 30PSI
275kPa, 40PSI
5. Determine the combined weight of luggage and cargo being loaded on the
vehicle. That weight may not safely
exceed the available cargo and luggage
load capacity calculated in Step 4.
6. Your vehicle should never be used to tow a trailer.
The number and weight of passengers will
affect the cargo and luggage load capacity. In
the example above, the cargo and luggage
load capacity is 251 lbs. However, if only one
occupant is in the vehicle, the luggage load
capacity will increase. If the vehicle carries
one 150 lb person, the luggage load capacity
will increase to 401 lbs (551 - 150 = 401 lbs).
Note: If the passengers weigh more, the
luggage load capacity will decrease.Uniform tire quality gradingThe following information relates to the tire
grading system developed by the National
Highway Traffic Safety Administration
(NHTSA) which will grade tires by tread wear,
traction and temperature performance.
Note: Tires that have deep tread, and winter
tires, are exempt from these marking
requirements.
Quality grades, where applicable, can be
found on the tire sidewall between the tread
shoulder and maximum section width. For
example:TREADWEAR 180
TRACTION AA
TEMPERATURE A
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Wheels and tires
11-13
Technical specifications
Wheels and tires glossaryAccessory weightThe combined weight (in excess of those
items replaced) of items available as factory
installed equipment.BeadThe inner edge of a tire that is shaped to fit to
the rim and form an air tight seal. The bead is
constructed of steel wires which are
wrapped, or reinforced, by the ply cords.Cold tire pressureThe air pressure in a tire which has been
standing in excess of three hours, or driven
for less than one mile.Curb weightThe weight of a standard vehicle, including
any optional equipment fitted, and with the
correct fluid levels.Gross vehicle weightThe maximum permissible weight of a vehicle
with driver, passengers, load, luggage, and
equipment.kPa (kilo pascal)A metric unit used to measure pressure. One
kilo pascal equals approximately .145 psi.Maximum inflation pressureThe maximum pressure to which the tire
should be inflated. This pressure is given on
the tire side wall in lbf/in
2. Note: This pressure is the maximum allowed
by the tire manufacturer. It is not the pressure
recommended for use.
Maximum loaded vehicle weightThe sum of curb weight, accessory weight,
vehicle capacity weight, and production
options weight.Production options weightThe combined weight of options installed
which weigh in excess of 3 lb more than the
standard items that they replaced, and are
not already considered in curb or accessory
weights. PSI (lbf/in
2)
Pounds per square inch, unit of measure for
pressure.RimThe metal support for a tire, or tire and tube,
upon which the tire beads are seated.Vehicle capacity weightThe number of seats multiplied by 150 lb plus
the rated amount of load/luggage.
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Vehicle dimensions and weights
11-15
Technical specifications
Vehicle dimensions and weightsExterior dimensionsTR0261
HED G
F
C
BA
A Overall length 155.4 in3,946 mm
B Overall width (including mirrors) 72.9 in1,851 mm
C Overall height (mid laden weight) 44.35 in1,126.5 mm
D Wheel base 92.6 in2,351 mm
E Front overhang 34.3 in871 mm
F Rear overhang 28.5 in723 mm
G Ground clearance (mid laden weight) 5.12 in130 mm
HTrack - Front 57.7 in1,455.6 mm
Track - Rear 59.0 in1,484.5 mm
Approach (ramp) angle - Front 11°
Approach (ramp) angle - Rear 18°
Breakover angle 12.7°
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Vehicle dimensions and weights11-16
Technical specifications
Vehicle weightsCurb weight (no occupants or cargo)2,723 lb1,235 kg
Mid laden weight
*
3,053 lb 1,385 kg
Gross vehicle weight
†
3,273 lb 1,485 kg
Maximum front axle load 1,144 lb519 kg
Maximum rear axle load 2,147 lb974 kg
Tr a i l e r t o w i n g Not permissible
* Mid laden weight is calculated with two 165 lbs (75 kg) occupants and no cargo.† Gross vehicle weight is calculated with two 220 lbs (100 kg) occupants and 110 lbs (50 kg) of cargo.Roadster OHB.book Page 16 Thursday, October 2, 2008 8:59 AM

Subsystem specifications
11-19
Technical specifications
Electrical
BatteryTy p e R e c h a r g e a b l e B a t t e r y
Rating 13 V to 400 V DC, and up to 400 V AC
Polarity Negative (-) groundTypeLithium ion (Li-ion)
Number of cells 6,831
Weight 992 lb (450 kg)
Output High voltage: 366V DC
Low voltage: 13 V DC
Operating temperature Driving: -1°F to 122°F (-17°C to 50°C)
Charging: 32°F to 113°F (0°C to 45°C)
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