Fuel Requirements; 1.3L Turbo Engine - Fiat 500X 2019 Owner's Manual

404 TECHNICAL SPECIFICATIONS
Tighten the lug nuts/bolts in a star pattern until each
nut/bolt has been tightened twice.
Torque Patterns
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.

FUEL REQUIREMENTS

1.3L Turbo Engine

This engine is designed to meet all emissions
requirements,
fuel economy
when
regular gasoline having an octane rating
of 87, as specified by the (R+M)/2
method.
The use of a 91 or higher octane "premium" gasoline will
allow these engines to operate to optimal performance. This
increase in performance is most noticeable in hot weather or
other heavier load conditions, such as while towing.
While operating on gasoline with an octane number of 87,
hearing a light knocking sound from the engine is not a
cause for concern. However, if the engine is heard making a
heavy knocking sound, see your dealer immediately. Use of
gasoline with an octane number lower than 87 can cause
engine failure and may void or not be covered by the New
Vehicle Limited Warranty.
Poor quality gasoline can cause problems such as hard
starting, stalling, and hesitations. If you experience these
symptoms, try another brand of gasoline before consider-ing
service for the vehicle.
and provide satisfactory
and performance,
using high quality unleaded