1998 Pontiac Bonneville Owner's Manual - Page 270

/r\ - Supercharger Oil CAUTION: I Operating the engine with theair cleaner off can cause you or others tobe burned. Theair cleaner not only cleans the air,it stops flame if the engine backfires. If it isn't there,and the engine backfires, you could be burned. Don't drive with it off, and be careful working on the engine with the air cleaner off. Unless you are technically qualified and have the proper tools, you should let your dealer or a qualified service center perform this maintenance. I NOTICE: If the air cleaner is off, a backfire can cause a When to Check Check oil level every 30,000 miles (50 000 k ) every m or 36 months, whichever occurs first. damaging engine fire. And, can easily get dirt into your engine, which damage it.Always will have theair cleaner in place when you're driving. What Kind of Oil to Use See "RecommendedFluids and Lubricants" i the Index n and use only the recommended oil.