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:
Lights-On Reminder
If the headlights or parking lights are on after the ignition is turned OFF,
a chime will sound when the driver’s door is opened. ...
Automatic Transmission – If Equipped
Start the vehicle with the shift lever in the PARK position (vehicle can also
be started in NEUTRAL). Apply the brake before shifting to any driving range. ...
If You Stall Or Begin To Lose Headway
If you stall or begin to lose headway while climbing a steep hill, allow your
vehicle to come to a stop and immediately apply the brake. Restart the engine and
shift into REVERSE. Back slowly down ...


