GM Service Manual Online
For 1990-2009 cars only
Table 1: HUD
Table 2: Instrument Panel Cluster (IPC)
Table 3: Engine Control Module (ECM) 4.6L and 3.6L (LY7)

HUD

Scan Tool Output Control

Additional Menu Selection(s)

Description

Display Dimming

Output Controls

The HUD dims when you select display dimming

Instrument Panel Cluster (IPC)

Scan Tool Output Control

Additional Menu Selection(s)

Description

Display(s) Test

Output Control

The IPC illuminates all of the display segments and sweeps all gages when you select On.

Engine Control Module (ECM) 4.6L and 3.6L (LY7)

Scan Tool Output Control

Additional Menu Selection(s)

Description

MIL

Engine Output Controls

The ECM commands the MIL indicator on and off.

Oil Life Reset

Engine Output Controls

The ECM resets the engine oil life when selected