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Home >> Buick >> 1986 >> Riviera Base >> Repair and Diagnosis >> Engine Performance >> System >> BCM System, Part I >> Self-Diagnostic System >> Entering "Service Mode" >> Riviera Models
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Riviera Models

Turn the ignition on. Touch the "OFF" and "WARM" key pads on the CRT climate control page simultaneously and hold until a double "Beep" is heard or a page entitled "Service Mode" appears on the screen. See Fig 1 .

Fig 1: "Service Mode" Page on CRT Screen
G5006