Erasing Speed Memory
The cruise control set speed is erased from memory by pressing 
or if the ignition is turned off.
See also:
Resuming a Set Speed
If the cruise control is set at a desired speed and then the brakes are applied, the cruise control is disengaged without erasing the set speed from memory.
Once the vehicle speed is 40 km/h (25 mph) ...
Instrument Cluster
English Light Duty Premium Shown. Metric, Uplevel, Base and Heavy Duty
Similar.
For vehicles with a DURAMAX® Diesel engine, see the DURAMAX® Diesel Supplement for more information.
For vehicle ...
Power Foldaway
1. Press (A) to fold the mirrors out to the driving position.
2. Press (B) to fold the mirrors in to the folded position. ...