Engine Brake and Cruise Control
Your engine is equipped with both Cruise Control and an engine brake; the engine brake can operate automatically while you are in Cruise Control. If the Cruise Control/Engine Brake function is turned ON in the DDEC system programming, the engine brake will come on low when your set road speed increases a few mph (kph) above your cruise set speed. If your speed continues to increase, the DDEC system will increase the engine brake's braking power progressively. When the vehicle returns to the set cruise speed the engine brake will turn off until you need them.
For safety reasons, don't use Cruise Control when it is not possible to keep the vehicle at constant speed due to:
For an explanation of the engine brake system and recommendations for proper operation, "Engine Brake System" in this manual.