Turns And Bends
When driving on a curve with ACC engaged, the system may decrease the vehicle speed and acceleration for convenience reasons, with no target vehicle detected.
Once the vehicle is out of the curve the system will resume your original Set Speed. This is a part of normal ACC system functionality.

See also:
Sand
Soft sand is very difficult to travel through with full tire pressure. When crossing
soft, sandy spots in a trail, maintain your vehicle’s momentum and do not stop.
The key to driving in soft sa ...
Electronic Speed Control – If Equipped
− Do not use in hilly terrain or with heavy loads.
− When using the speed control, if you experience speed drops greater than 10
mph (16 km/h), disengage until you can get back to cruis ...
Vacation Storage
Anytime you store your vehicle, or keep it out of service
(i.e. vacation) for two weeks or more, run the air conditioning
system at idle for about five minutes in the fresh
air and high blower s ...


