GM Service Manual Online
For 1990-2009 cars only

Instrument Panel Cluster (IPC)

Scan Tool Output Control

Additional Menu Selection(s)

Description

Incand Dim #1

Instrument Panel Cluster Dimming

The IPC activates the incand dim #1 output for 5 seconds when you select ON. The IPC, HVAC controls, PRNDL, radio, ashtray lamps, heated seat switches, steering wheel controls, and rear blower switch illuminate for 5 seconds.

Incand Dim #2

Instrument Panel Dimming

The IPC activates the incand dim #2 output for 5 seconds when you select ON. The headlamp switch and window switches illuminate for 5 seconds.