2012 Hyundai Sonata Owners Manual

Maintenance
EMISSION CONTROL SYSTEM
The  emission   control  system   of  your
vehicle  is  covered  by  a  written  limited
warranty. Please  see the warranty  infor-
Caution
Maintenance   Test   (With   Electronic
Stability Control (ESC) system)
for
the
Inspection
and
1. Crankcase emission control
system
The  positive  crankcase  ventilation  sys-
tem is  employed to  prevent air  pollution
caused by  blow-by gases  being emitted
from the crankcase.This system supplies
fresh filtered air to the crankcase through
the air intake hose. Inside the crankcase,
the fresh  air  mixes with  blow-by gases,
which then  pass through the  PCV valve
into the induction system.
mation
contained
in
the
Owner’s
•  To  prevent the  vehicle  from misfir-
ing   during  dynamometer   testing,
turn the Electronic  Stability Control
(ESC)  system  off  by  pressing  the
ESC switch.
•  After  dynamometer testing  is com-
pleted, turn the ESC system back on
by pressing the ESC switch again.
Handbook & Warranty Information  book-
let in your vehicle.
Your  vehicle is  equipped  with an  emis-
sion control system to meet all applicable
emission regulations.
There  are  three  emission  control   sys-
tems, as follows.
(1)
(2)
(3)
Crankcase emission control system
Evaporative emission control system
Exhaust emission control system
2. Evaporative emission control
(including ORVR: Onboard
Refueling Vapor Recovery)
system
In order to  assure the proper function  of
the  emission control  systems,  it is  rec-
ommended   that   you   have   your   car
inspected and  maintained by an  author-
ized HYUNDAI dealer in accordance with
the maintenance schedule  in this manu-
al.
The
Evaporative
Emission
Control
System   is   designed   to   prevent   fuel
vapors  from  escaping  into   the  atmos-
phere.
(The ORVR system  is designed to  allow
the  vapors   from  the   fuel  tank   to  be
loaded into  a canister  while refueling  at
the gas station, preventing the escape of
fuel vapors into the atmosphere.)
7
73
Product Specification
Categories Hyundai Manuals, Hyundai Sonata Manuals
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- 411 pages
Document TypeOwners Manual
LanguageEnglish
Product BrandHyundai, Sonata
Document File TypePDF
CopyrightAttribution Non-commercial
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