Buick 2000 Century User Manual download pdf (Page 130)

2-61

Malfunction Indicator Lamp

(Service Engine Soon Light)

Your vehicle is equipped

with a computer which

monitors operation of the

fuel, ignition and emission

control systems.

This system is called OBD II (On

-Board

Diagnostics

-Second Generation) and is intended to

assure that emissions are at acceptable levels for

the life of the vehicle, helping to produce a cleaner

environment. The SERVICE ENGINE SOON light

comes on and a chime will sound to indicate that there is

a problem and service is required. Malfunctions often

will be indicated by the system before any problem is

apparent. This may prevent more serious damage to

your vehicle. This system is also designed to assist

your service technician in correctly diagnosing

any malfunction.

NOTICE:

If you keep driving your vehicle with this light

on, after a while, your emission controls may not

work as well, your fuel economy may not be as

good and your engine may not run as smoothly.

This could lead to costly repairs that may not be

covered by your warranty.

NOTICE:

Modifications made to the engine, transaxle,

exhaust or fuel system of your vehicle or the

replacement of the original tires with other than

those of the same Tire Performance Criteria

(TPC) can affect your vehicle’s emission controls

and may cause the SERVICE ENGINE SOON

light to come on. Modifications to these systems

could lead to costly repairs not covered by your

warranty. This may also result in a failure to pass

a required Emission Inspection/Maintenance test.

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Buick 2000 Century User Manual Page 130