climate control Acura MDX 2004 User Guide

µ
The tires on your vehicle meet all
U.S. Federal Saf ety Requirements.
All tires are also graded f or
treadwear, traction, and temperature
perf ormance according to
Department of Transportation
(DOT) standards. The f ollowing
explains these gradings.
Quality grades can be f ound where
applicable on the tire sidewall
between the tread shoulder and the
maximum section width. For
example:
All passenger vehicle tires must
conf orm to Federal Saf ety
Requirements in addition to these
grades. The treadwear grade is a compara-
tive rating based on the wear rate of
the tire when tested under controlled
conditions on a specif ied government
test course. For example, a tire
graded 150 would wear one and one-
half (1 1/2) times as well on the
government course as a tire graded
100. The relative perf ormance of
tires depends upon the actual condi-
tions of their use, however, and may
depart signif icantly f rom the norm
due to variations in driving habits,
service practices, and dif f erences in
road characteristics and climate.
The traction grades, f rom highest to
lowest, are AA, A, B, and C. Those
grades represent the tire’s ability to
stop on wet pavement as measured
under controlled conditions on
specif ied government test surf aces
of asphalt and concrete. A tire
marked C may have poor traction
perf ormance.
Warning: The traction grade
assignedtothistireisbasedon
straight-ahead braking traction tests,
and does not include acceleration,
cornering, hydroplaning, or peak
traction characteristics.
Unif orm T ire Quality Grading
T readwear 200
Traction AA
Temperature A Treadwear
Traction AA, A, B, C
T echnical Inf ormation
DOT T ire Quality Grading (U.S. Vehicles)
256

Î
ÎThe burning of gasoline in your
vehicle’s engine produces several by-
products. Some of these are carbon
monoxide (CO), oxides of nitrogen
(NOx) and hydrocarbons (HC).
Gasoline evaporating f rom the tank
also produces hydrocarbons. Con-
trolling the production of NOx, CO,
and HC is important to the environ-
ment. Under certain conditions of
sunlight and climate, NOx and HC
react to f orm photochemical ‘‘smog.’’
Carbon monoxide does not contri-
bute to smog creation, but it is a
poisonous gas. The United States Clean Air Act
sets standards f or automobile
emissions. It also requires that
automobile manufacturers explain to
owners how their emissions controls
workandwhattodotomaintain
them. This section summarizes how
the emissions controls work.
Scheduled maintenance is on page
.
In Canada, Acura vehicles comply
with the Canadian emission
requirements, as specif ied in an
agreement with Environment
Canada, at the time they are
manuf actured.
Your vehicle has a Positive
Crankcase Ventilation System. This
keeps gasses that build up in the
engine’s crankcase f rom going into
the atmosphere. The Positive Crank- case Ventilation valve routes them
from the crankcase back to the
intake manif old. They are then
drawn into the engine and burned.
As gasoline evaporates in the f uel
tank, an evaporative emissions
control canister f illed with charcoal
adsorbs the vapor. It is stored in this
canister while the engine is of f . Af ter
the engine is started and warmed up,
the vapor is drawn into the engine
and burned during driving.
The Onboard Ref ueling Vapor
Recovery (ORVR) system captures
the f uel vapors during ref ueling. The
vapors are adsorbed in a canister
f illed with activated carbon. While
driving, the f uel vapors are drawn
into the engine and burned of f .
199
Emissions Cont rols
The Clean Air Act
Crankcase Emissions Control
System Evaporative Emissions Control
System
Onboard Ref ueling Vapor
Recovery
T echnical Inf ormation259

Î
................
DANGER, Explanation of . ii
...................................
Dashboard .2, 56
................
Daytime Running Lights . 74
.................................
Dead Battery .238
............
Def ects, Reporting Saf ety . 268
................
Def ogger, Rear Window . 75
..............
Def rosting the Windows . 107
..........................
Dif f erential Fluid .211
....................................
Dimensions .254
...............
Dimming the Headlights . 72
Dipstick ..........
Automatic Transmission . 210
..................................
Engine Oil .161
..........................
Directional Signals .72
........
Disc Brake Wear Indicators . 180
.....................
Disposal of Used Oil .207
Doors ..............
Locking and Unlocking . 80
....................
Lockout Prevention . 80
......................
Power Door Locks .80
................................
Cancel Button .144
............................
Capacities Chart .254
.............
Carbon Monoxide Hazard . 51
.............................
Carrying Cargo .165
Cassette Player ............................................
Care .127
...................................
Operation .125
..............
CAUTION, Explanation of . ii
.........................................
CD Care .119
..........................
CD Changer .116, 117
.....
CD Changer Error Messages . 122
.......................................
CD Player .116
.........
CD Player Error Messages . 120
........................
Certif ication Label .252
...................................
Chains, .225
Change Oil ........................................
How to .206
......................................
When to .197
....................
Changing a Flat Tire .231
...
Charging System Indicator . 58,242
............
Checklist, Bef ore Driving . 170
..................
Childproof Door Locks . 80
.....................................
Child Saf ety .33
..............................
Booster Seats .48 .............................
Child Seats .40, 41
.....
Important Saf ety Reminders . 36
..........................................
Inf ants .38
..........................
Larger Children .47
.........................................
LATCH .42
......................
Risks with Airbags .34
.............................
Small Children .39
..........................................
Tether .45
.........
Where Should a Child Sit? . 34
.......................................
Child Seats .40
..........
Tether Anchorage Points . 45
...............
Climate Control System . 104
..............................................
Clock .130
.....................
Code, Audio System .129
........................
CO in the Exhaust .259
......................
Compact Spare Tire .230
...............
Consumer Inf ormation . 266
.............
Controls, Instruments and . 55
Coolant ........................................
Adding .208
....................................
Checking .162
.........................
Proper Solution .208
...................
Temperature Gauge . 67
Crankcase Emissions Control ........................................
System .259
................
Cruise Control Indicator . 61............
Cruise Control Operation . 144
.....................................
Cup Holders .99
..........
Customer Relations Of f ice . 266
tires
Index
C
D
II