2018 FIAT 500E wheel torque

500e ELECTRIC VEHICLE FEATURES
Understanding the unique characteristics of your 500e will
help ensure maximum performance and the best driving
range from your vehicle.
Your 500e is equipped with two electrical systems; a 12 Volt
system that is used to power the conventional electrical
system and a high voltage system, which is used to drive
the wheels through a single-speed transmission as well as
other high voltage system components.
Your 500e operates differently then a traditional vehicle or
Hybrid vehicle. Here are some of the main differences:
Audible Pedestrian Warning System
Your vehicle is equipped with an Audible Pedestrian
Warning System. The Audible Pedestrian Warning System
uses distinct sounds to alert pedestrians that your vehicle is
approaching.
The audible warning system uses an in-car sound synthe-
sizer with a speaker located in the underhood compart-
ment. The warning system is automatically activated when
selecting DRIVE or REVERSE.
In DRIVE range, the system will remain active until the
vehicle reaches a speed of approximately 22 mph(35.5 km/h). At approximately 22 mph (35.5 km/h), the
warning system is deactivated and will automatically be
active when the vehicle returns to approximately 20 mph
(32 km/h).
Single-Speed Transmission
Instead of a traditional transmission, your vehicle is
equipped with a single-speed transmission to transfer the
torque from the E-Drive motor to the drive wheels. This
transmission requires no maintenance and is designed to
operate for the life of the vehicle.
Auto Park
Auto Park will automatically place the transmission into
PARK if there is an indication that the driver may leave the
vehicle while still in the DRIVE, NEUTRAL or REVERSE
gear. Refer to “Single-Speed Transmission” in “Starting
And Operating” in your Owner ’s Manual for further
information.
E-Park
The parking pawl is traditionally located inside an auto-
matic transmission and activated when the vehicle is
placed in the PARK position.
18 GETTING TO KNOW YOUR VEHICLE

(BLD), functions similar to a limited slip differential and
controls the wheel spin across a driven axle. If one wheel
on a driven axle is spinning faster than the other, the
system will apply the brake of the spinning wheel. This
will allow more torque to be applied to the wheel that is
not spinning. This feature remains active even if TCS and
ESC are in the Partial Off mode. Refer to “Electronic
Stability Control (ESC)” in this section for further informa-
tion.
Electronic Stability Control (ESC)
This system enhances directional control and stability of
the vehicle under various driving conditions. ESC corrects
for oversteering or understeering of the vehicle by apply-
ing the brake of the appropriate wheel to assist in counter-
acting the oversteering or understeering condition. Vehicle
power may also be reduced to help the vehicle maintain
the desired path. ESC uses sensors in the vehicle to
determine the vehicle path intended by the driver and
compares it to the actual path of the vehicle. When the
actual path does not match the intended path, ESC applies
the brake of the appropriate wheel to assist in counteract-
ing the oversteer or understeer condition.
•Oversteer - when the vehicle is turning more than
appropriate for the steering wheel position. •
Understeer - when the vehicle is turning less than
appropriate for the steering wheel position.
NOTE: The ESC Off switch is located on the instrument
panel.
WARNING!
• The Electronic Stability Control (ESC) cannot pre-
vent the natural laws of physics from acting on the
vehicle, nor can it increase the traction afforded by
prevailing road conditions. ESC cannot prevent all
accidents, including those resulting from excessive
speed in turns, driving on very slippery surfaces, or
hydroplaning. ESC also cannot prevent collisions
resulting from loss of vehicle control due to inappro-
priate driver input for the conditions. Only a safe,
attentive, and skillful driver can prevent accidents.
The capabilities of an ESC equipped vehicle must
never be exploited in a reckless or dangerous manner
which could jeopardize the user ’s safety or the safety
of others.
• Vehicle modifications, or failure to properly main-
tain your vehicle, may change the handling charac-
teristics of your vehicle, and may negatively affect
(Continued)
102 SAFETY

TECHNICAL SPECIFICATIONS
CONTENTS
VEHICLE IDENTIFICATION NUMBER ........256
 BRAKE SYSTEM ........................ .257
 WHEEL AND TIRE TORQUE SPECIFICATIONS . .257
▫ Torque Specifications ....................257 
FLUID CAPACITIES ..................... .259
 FLUIDS AND LUBRICANTS ................259
9

BRAKE SYSTEM
In the event regenerative braking or power assist is lost for
any reason the brakes will still function. The effort required
to brake the vehicle will be significantly more than that
required with the power system operating.
If either the front or rear hydraulic system loses normal
capability, the remaining system will still function with
some loss of braking effectiveness. This will be evident by
increased pedal travel during application, greater pedal
force required to slow or stop, and activation of the Brake
Warning Light and the ABS Warning Light during brake
use.
WHEEL AND TIRE TORQUE SPECIFICATIONS
Proper lug nut/bolt torque is very important to ensure that
the wheel is properly mounted to the vehicle. Any time a
wheel has been removed and reinstalled on the vehicle, the
lug nuts/bolts should be torqued using a properly cali-
brated torque wrench using a high quality six sided (hex)
deep wall socket.
Torque Specifications
Lug Nut/Bolt Torque **Lug Nut/Bolt SizeLug Nut/
Bolt Socket Size
66 Ft-Lbs (90 N·m)
Steel Wheels Only
74 Ft-Lbs (100 N·m) Aluminum Wheels Only M12 x 1.25 17 mm
**Use only your authorized dealer recommended lug nuts/
bolts and clean or remove any dirt or oil before tightening.
9
TECHNICAL SPECIFICATIONS 257

Inspect the wheel mounting surface prior to mounting the
tire and remove any corrosion or loose particles.
Tighten the lug nuts/bolts in a star pattern until each
nut/bolt has been tightened twice.After 25 miles (40 km), check the lug nut/bolt torque to be
sure that all the lug nuts/bolts are properly seated against
the wheel.
WARNING!
To avoid the risk of forcing the vehicle off the jack, do
not tighten the lug nuts/bolts fully until the vehicle has
been lowered. Failure to follow this warning may
result in personal injury.
Wheel Mounting Surface
Torque Patterns
258 TECHNICAL SPECIFICATIONS

Sun Roof.................................73
Supplemental Restraint System - Air Bag ..........122
Telescoping Steering Column ...................53
Temperature Control, Automatic (ATC) ............69
Tilt Steering Column .........................53
Time Delay Headlight ...............................56
Tire And Loading Information Placard ............232
Tire Markings ............................ .229
Tires......................... .151, 236, 243, 249
Aging (Life Of Tires) ..................... .240
Air Pressure ............................236
Chains ............................... .247
Changing ............................. .228
Compact Spare ..........................244
General Information ...................236, 243
High Speed ............................ .238
Inflation Pressure ........................237
Jacking ............................... .228
Life Of Tires ............................240
Load Capacity .......................232, 233
Pressure Monitoring System (TPMS) ............94
Quality Grading ........................ .249
Radial ............................... .238
Replacement ............................241 Rotation
...............................248
Safety ............................ .229, 236
Snow Tires ............................ .243
Spare Tires ..........................243, 245
Spinning ...............................239
Tread Wear Indicators .....................239
Wheel Nut Torque ........................257
Tire Safety Information .......................229
Tire Service Kit ...........190, 191, 193, 194, 196, 197,
198, 199, 200, 201, 204, 205
To Open Hood .............................76
Towing ................................. .172
Disabled Vehicle .........................211
Recreational ............................173
T owing

Behind A Motorhome ..................173
Traction ............................. .173, 174
Traction Control .......................... .101
Trailer Towing ............................ .172
Transmission Automatic ............................ .157
Fluid .................................259
Transporting Pets ..........................148
Tread Wear Indicators .......................239
Turn Signals ..........................56, 58, 97
12
INDEX 297