RAM 1500 2017 Quick Reference Manual - page 14
Trailer Decoupling/Unloading
The air suspension system will maintain load level (lower/exhaust only)
for up to 10 minutes after the vehicle is turned off. This allows for easy
removal of a trailer and/or load from the back of the truck by maintain-
ing the ride height. After 10 minutes, you will need to turn the ignition
to the RUN position for the air suspension to maintain the ride height.
If the air suspension system is disabled using the settings menu (Tire
Jack Mode, Transport Mode or Alignment Mode), the system will
remain disabled when the vehicle is turned off. Reactivating the air
suspension can be accomplished via the settings menu or by driving
the vehicle above 5 mph (8 km/h) for Tire Jack Mode or Alignment
Mode or 16 mph (26 km/h) for Transport Mode.
AUTOMATIC “SMART” EXHAUST BRAKE – (DIESEL ONLY)
• Automatic Exhaust Brake technology delivers smoother, less aggres-
sive exhaust braking characteristics during downhill descents. Al-
though it can apply full exhaust braking force if needed, Automatic
Exhaust Brake may not apply obvious braking if the vehicle speed is
not increasing. Automatic Exhaust Brake is intended to maintain
vehicle speed while Full Exhaust Brake is intended to reduce vehicle
speed.
• Automatic Exhaust Brake can be enabled by pushing the exhaust
brake button again any time after the normal Full Exhaust Brake has
been turned on. The “Exhaust Brake Indicator” in the instrument
cluster will change from yellow to green when Automatic Exhaust
Brake is enabled. Pushing the exhaust brake button again will toggle
the exhaust brake mode to off.
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