DRIVING - Features 1. Vehicle must be on incline greater than 1% and in a forward mode. 2. Bring vehicle to a stop and depress the service brakes then release the service brakes to launch the vehicle. Hill Start Aid disengages. (Use Service Brakes and then relaunch). If the PACCAR Automated Transmission clutch does start to overheat, the display will show “CA” along with a warning tone. If “CA” is active in the gear display, immediately discontinue the operation that is being performed which is causing the clutch to overheat.
If the driver continues abusive operation, the system will either open the clutch if the accelerator pedal is not applied or close the clutch if the accelerator pedal is applied. If the abuse continues, the system will open the clutch and take away accelerator pedal control for a short period of time to allow the clutch to cool down. Urge to Move may be inoperable when the clutch is overheated. WARNING 2 Apply the vehicle service brakes or launch the vehicle using the accelerator pedal after Hill Start Aid releases. Fail- ure to do so could result in unintended vehicle movement resulting in death, se- rious injury or damage to property.
WARNING Apply the vehicle service brakes or launch the vehicle using the accelerator pedal after Hill Start Aid releases. Fail- ure to do so could result in unintended vehicle movement resulting in death, se- rious injury or damage to property. Clutch Abuse Protection CAUTION The PACCAR Automated Transmis- sion clutch can overheat and slip with improper use. Vehicle Facing Downhill - Reverse Mode 1. Vehicle must be on a decline greater than 1% and in Reverse mode. 2. Bring vehicle to a stop and depress the service brakes then release the service brakes to launch the vehicle. DO select the lowest possible start gear for the application. If moving slowly is required, select 1st or R1.
DO use the Service Brakes and let Hill Start Aid assist you when launching on an incline. Do NOT use the accelerator pedal to hold the vehicle on an incline. (Use Service Brakes). Do NOT use the accelerator pedal to stop roll back on an incline after Engine Overspeed Protection The transmission system will upshift if necessary to prevent 22 Y53-1272-1B1 (08/17)