1996 Buick Riviera Owner's Manual - Page 131

If the Light I$Flashing The following. may prevent'moreserious damage to . your vehicle: e Reduce vehicle speed. e Avoidhard accelerations. 0 If the Light Is On Steady You may beable to correct the emission system malfunction by considering the following: Did youjust drive througha deep puddleof water? If so, .your electrical system may wet. The condition be will usually be corrected when electrical system the dries out. A few driving trips should turn the off. light Are you low on fuel? As your engine starts fun out of fuel, your engine may to small amounts of not run as efficientlyas designed since -air are sacked into the line c-ausing a misfire. fuel The system can detect this. Adding should correct this fuel condition. Make sure to install fuel cap properly.It the will take a few driving trips t.0 turn the light off. Avoid steep uphill grades. hauled assoon as it ispossible. e If towing a trailer, reduce the amount cargo being of If the lightstops flashing and remains on steady, "If see the Light Is On Steady" following. If the light continues to flash, when it is safe to do so, stop the vehicle. Put your vehiclein PARK ( ) Turn the P. seconds and restart the engine. key off, wait at least 10~ If the light remains on steady, see the Light Is On "If Steady" followhg, If the light is still flashing follow the previous steps,md drive the vehicle to your dealer or qualified service center service. for