2008 Volvo S40 Owner's Manual - Page 181

2008 Volvo S40 Manual

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Each time the car is refueled: Check the engine oil level Clean the windshield, windshield wipers, headlights, and taillights Monthly: Check cold tire pressure in all tires. Inspect the tires for wear. Check that engine coolant and other fluid levels are between the indicated "min" and "max" markings. Clean interior glass surfaces with a glass cleaner and soft paper towels. Wipe driver information displays with a soft cloth. Visually inspect battery terminals for corrosion. Corrosion may indicate a loose terminal connector, or a battery near the end of its useful service life. Consult a trained and qualified Volvo service technician for additional information. As needed: Wash the car, including the undercarriage, to reduce wear that can be caused by a buildup of dirt, and corrosion that can be caused by salt residues. Clean leaves and twigs from air intake vents at the base of the windshield, and from other places where they may collect. NOTE Complete service information for qualified technicians is available online for purchase or subscription at www.volvotechinfo.com. 202 09 Maintenance and servicing Maintaining your car Emission inspection readiness What is an Onboard Diagnostic System (OBD II)? OBD II is part of your vehicle's computerized engine management system. It stores diagnostic information about your vehicle's emission controls. It can light the Check Engine light (MIL) if it detects an emission control "fault." A "fault" is a component or system that is not performing within an expected range. A fault may be permanent or temporary. OBD II will store a message about any fault. How Do States Use OBD II for Emission Inspections? Many states connect a computer directly to a vehicle's OBD II system. The inspector can then read "faults." In some states, this type of inspection has replaced the tailpipe emission test. How Can My Vehicle Fail OBD II Emission Inspection? Your vehicle can fail OBD II emission inspection for any of the following reasons. If your Check Engine (MIL) light is lit, your vehicle may fail inspection. If your vehicle's Check Engine light was lit, but went out without any action on your part, OBD II will still have a recorded fault. Your vehicle may pass or fail, depending on the inspection practices in your area. If you had recent service that required disconnecting the battery, OBD II diagnostic information may be incomplete and "not ready" for inspection. A vehicle that is not ready may fail inspection. How Can I Prepare for My Next OBD II Emission Inspection?

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Each time the car is refueled:
Check the engine oil level
Clean the windshield, windshield wipers, headlights, and taillights
Monthly:
Check cold tire pressure in all tires. Inspect the tires for wear.
Check that engine coolant and other fluid levels are between the indicated "min" and "max" markings.
Clean interior glass surfaces with a glass cleaner and soft paper towels.
Wipe driver information displays with a soft cloth.
Visually inspect battery terminals for corrosion. Corrosion may indicate a loose terminal connector, or a battery near
the end of its useful service life. Consult a trained and qualified Volvo service technician for additional information.
As needed:
Wash the car, including the undercarriage, to reduce wear that can be caused by a buildup of dirt, and corrosion that
can be caused by salt residues.
Clean leaves and twigs from air intake vents at the base of the windshield, and from other places where they may
collect.
NOTE
Complete service information for qualified technicians is available online for purchase or subscription at
www.volvotechinfo.com
.
202
09 Maintenance and servicing
Maintaining your car
Emission inspection readiness
What is an Onboard Diagnostic System (OBD II)?
OBD II is part of your vehicle's computerized engine management system. It stores diagnostic information about your
vehicle's emission controls. It can light the Check Engine light (MIL) if it detects an emission control "fault." A "fault"
is a component or system that is not performing within an expected range. A fault may be permanent or temporary.
OBD II will store a message about any fault.
How Do States Use OBD II for Emission Inspections?
Many states connect a computer directly to a vehicle's OBD II system. The inspector can then read "faults." In some
states, this type of inspection has replaced the tailpipe emission test.
How Can My Vehicle Fail OBD II Emission Inspection?
Your vehicle can fail OBD II emission inspection for any of the following reasons.
If your Check Engine (MIL) light is lit, your vehicle may fail inspection.
If your vehicle's Check Engine light was lit, but went out without any action on your part, OBD II will still have a
recorded fault. Your vehicle may pass or fail, depending on the inspection practices in your area.
If you had recent service that required disconnecting the battery, OBD II diagnostic information may be incomplete
and "not ready" for inspection. A vehicle that is not ready may fail inspection.
How Can I Prepare for My Next OBD II Emission Inspection?