1993 Buick Regal Owner's Manual - Page 256
1993 Buick Regal Manual
Page 256 highlights
Fiberglass Springs ii Chemical Paint Spotting .-., . __ -. , . ,.. , x . x .i & >.. >:_ .g I: NOTICE: Don't corrosive or acidic use cleaning agents, & enginedegreasers,aluminumcleaningagentsor other solvents harsh to cle rqlass Springs; E ._ they'll damage the springs :
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