2012 Acura RDX Owner's Manual

Page 489 of 518

Acura RDX 2012  Owners Manual Temperature
The temperature grades are A (the
highest), B, and C, representing the
tires resistance to the generation of
heat and its ability to dissipate heat
when tested under controlled
conditions

Page 490 of 518

Acura RDX 2012  Owners Manual The tires that came on your vehicle
have a number of markings. Those
you should be aware of are described
below.
Tire SizeWhenever tires are replaced, they
should be replaced with tires of the
same si

Page 491 of 518

Acura RDX 2012  Owners Manual Glossary of Tire Terminology
Cold Tire Pressure-The tire air
pressure when the vehicle has been
parked for at least three hours or
driven less than 1 mile (1.6 km).
Load Rating -Means the maximum

Page 492 of 518

Acura RDX 2012  Owners Manual Driving on a significantly under-
inflated tire causes the tire to
overheat and can lead to tire failure.
Underinflation also reduces fuel
efficiency and tire tread life, and may
affect the vehicles

Page 493 of 518

Acura RDX 2012  Owners Manual The burning of gasoline in your
vehicles engine produces several by-
products. Some of these are carbon
monoxide (CO), oxides of nitrogen
(NOx), and hydrocarbons (HC).
Gasoline evaporating from the t

Page 494 of 518

Acura RDX 2012  Owners Manual Onboard Refueling Vapor
Recovery
The onboard refueling vapor
recovery (ORVR) system captures
the fuel vapors during refueling. The
vapors are adsorbed in a canister
filled with activated carbon. While

Page 495 of 518

Acura RDX 2012  Owners Manual The three way catalytic converters
contain precious metals that serve as
catalysts, promoting chemical
reactions to convert the exhaust
gasses without affecting the metals.
The catalytic converters ar

Page 496 of 518

Acura RDX 2012  Owners Manual Testing of Readiness Codes
If you take your vehicle for an
emissions test shortly after the
battery has been disconnected or
gone dead, it may not pass the test.
This is because of certain‘‘readin