Setting Cruise Control
If the cruise button is on when not in use, it could get bumped and go into cruise when not desired. Keep the cruise control switch off when cruise is not being used.
The cruise control light on the instrument panel cluster comes on after the cruise control has been set to the desired speed.
1. Press the 
button.
2. Get up to the desired speed.
3. Press the −SET button and release it.
4. Take your foot off the accelerator.
See also:
STS adds direct-injection V-6
For 2008, STS will be the first GM vehicle equipped with a new 3.6-liter
direct-injected V-6 engine. The new base powerplant, with 298 horsepower (222
kW), delivers 40 more horsepower; and torque ...
Instrument Panel Fuse Block
The instrument panel fuse block is located in the center console between the
driver and passenger seats. To access the fuses, open the fuse panel door from
the passenger side by pulling it out.
...
Airbag System Check
The airbag system does not need
regularly scheduled maintenance
or replacement. Make sure the
airbag readiness light is working.
See Airbag Readiness Light.
Notice: If an airbag covering is
...