Other information:
What Is Grade Assist
Provides additional grade braking with a
combination of engine motoring and
high-voltage battery charging to help
maintain vehicle speed when descending
a grade.
Switching Grade Assist On and Off
Press the grade assist button to activate
grade assist...
Deactivation
NOTE:
During vehicle build, some modules, such as the IPC and BCM module are set in factory mode.
Factory mode reduces the drain on the battery during longer periods
where the vehicle is not used. While in the factory mode, various
systems may be altered or disabled and the IPC
displays FACTORY MODE CONTACT DEALER in the message center...