See also:

Conserving electrical current
Keep the following in mind to help minimize battery drain: • When the engine is not running, avoid using ignition mode II. Many electrical systems (the audio system, the optional navigation s ...

Changing the set speed
After a speed has been set, it can be increased or decreased by using the or buttons. Each time one of these buttons is pressed, the vehicle's speed changes by 5 mph (approximately 8 km/h). ...

Steep inclines and/or heavy loads
ACC is primarily intended for use on fairly level roads. The system may have difficulty maintaining the correct distance to a vehicle ahead on steep inclines, if the vehicle is carrying a heavy lo ...