2019 Hyundai Sonata Owner's Manual

Page 457 of 522

Hyundai Sonata 2019  Owners Manual 7-47
7
Maintenance
Wheel size designation 
Wheels are also marked with impor-
tant information that you need if you
ever have to replace one. The follow-
ing explains what the letters and
numbers in t

Page 458 of 522

Hyundai Sonata 2019  Owners Manual 7-48
Maintenance
4. Tire ply composition andmaterial
The number of layers or plies of rub-
ber-coated fabric in the tire. Tire
manufacturers also must indicate the
materials in the tire, which include

Page 459 of 522

Hyundai Sonata 2019  Owners Manual 7-49
7
Maintenance
Traction - AA, A, B & C
The traction grades, from highest to
lowest, are AA, A, B and C. Those
grades represent the tire’s ability to
stop on wet pavement as measured
under contro

Page 460 of 522

Hyundai Sonata 2019  Owners Manual 7-50
Maintenance
Tire Terminology  and
Definitions 
Air Pressure    
The amount of air inside the tire
pressing outward on the tire. Air
pressure is expressed in pounds per
square inch (psi) or kilopa

Page 461 of 522

Hyundai Sonata 2019  Owners Manual 7-51
7
Maintenance
GVWR
Gross Vehicle Weight Rating
GAWR FRT
Gross Axle Weight Rating for the
Front Axle.
GAWR RR
Gross Axle Weight Rating for the
Rear axle.
Intended Outboard Sidewall
The side of an

Page 462 of 522

Hyundai Sonata 2019  Owners Manual 7-52
Maintenance
Pneumatic tire
A mechanical device made of rubber,
chemicals, fabric and steel or other
materials, that, when mounted on an
automotive wheel provides the trac-
tion and contains the g

Page 463 of 522

Hyundai Sonata 2019  Owners Manual 7-53
7
Maintenance
Vehicle Maximum Load on theTire
Load on an individual tire due to curb
and accessory weight plus maximum
occupant and cargo weight.
Vehicle Normal Load on the Tire
Load on an indivi

Page 464 of 522

Hyundai Sonata 2019  Owners Manual 7-54
Maintenance
Radial-Ply Tires
Radial-ply tires provide improved
tread life, road hazard resistance and
smoother high speed ride. The radi-
al-ply tires used on this vehicle are of
belted construct