See also:

To resume cruising speed at more than approximately 25 mph (40 km/h):
If any method other than the cruise ON/OFF switch was used to cancel cruising speed and the system is still activated, the most recent set speed will automatically resume when the RES+ switch is ...

Disassembly
Identify, valves and valve springs as they are removed so that each item can be reinstalled in its original position. ...

Common causes of corrosion
The most common causes of corrosion on your car are: Road salt, dirt and moisture that is allowed to accumulate underneath the car. Removal of paint or protective coatings by stones, gravel, ...