General Motors — Adjusting the Cruise Set Speed

Operation · Sync/Cruise system

From a General Motors owner's manual covering: Carb 5.7L, MP 5.0L, MP 5.7L, MP 6.0L. Check it applies to your exact model before use.

Procedure

1. Press the Speed (+)/Res / (-) switch (C) to the (+)/Res position to increase engine speed 20 RPM per switch cycle.
2. Press the Speed (+)/Res / (-) switch (C) to the (-) position to decrease engine speed 20 RPM per switch cycle.
3. Press and hold switch (C) for 3 seconds or longer to slowly ramp speed up or down; release at the desired engine speed.

Source: General Motors owner's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

More General Motors repair guides →