1993 GMC Safari Owner's Manual - Page 172
1993 GMC Safari Manual
Page 172 highlights
Your Driving and the Road Brake System Warning Light Cluster Digital Cluster Standard I PO641 Thislightappearsonyourinstrumentcluster to warnyou if yourregular brakingsystemneedsservice.See"BrakeSystemWarningLight"inthe Index. Anti-lock Brake System Warning Light Cluster Digital Cluster Standard I w R1 PO642 Thislightappearsontheinstrumentcluster to warnyou if youranti-lock brakesystemneedsservice.See"Anti-lockBrakeSystemWarningLight"in theIndex. 4-1 6
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