2021 RAM 1500 Owners Manual - ACTIVE-LEVEL FOUR CORNER AIR SUSPENSION SYSTEM (REBEL MODELS ONLY) — IF EQUIPPED

ACTIVE-LEVEL FOUR CORNER AIR SUSPENSION SYSTEM (REBEL MODELS ONLY) — IF EQUIPPED

DESCRIPTION

The air suspension system provides full time load leveling capability along with the benefit of being able to adjust vehicle height by using the toggle switch.

— Off-Road Indicator (Customer selectable)

— Normal Ride Height Indicator (Customer se- lectable)

— Aerodynamic Height Indicator (Customer Se- lectable)

— Entry/Exit Mode Indicator (Customer select- able)

Normal Ride Height (NRH) – This is the stan- dard position of the suspension and is meant for normal driving.

Off-Road (OR) (Raises the vehicle approxi- mately 1 inch (26 mm)) – This position is intended for off-roading use only where maximum ground clearance is required. To enter OR, push the height selector switch up once from the NRH position while vehicle speed is below 20 mph (32 km/h). While in

OR, if the vehicle speed exceeds 25 mph (40 km/h) the vehicle height will be automat- ically lowered to NRH. Off-Road may not be available due to vehicle payload, an instru- ment cluster display message will be shown when this occurs page 114.

Aero Mode (Lowers the vehicle approxi- mately 0.6 inches (15 mm)) – This position provides improved aerodynamics by lowering the vehicle. The vehicle will auto- matically enter Aero Mode when the vehicle speed remains between 62 mph (100 km/h) and 66 mph (106 km/h) for greater than 20 seconds or if the vehicle speed exceeds 66 mph (106 km/h). The vehicle will return to NRH from Aero Mode if the vehicle speed remains between 30 mph (48 km/h) and 35 mph (56 km/h) for greater than

20 seconds or if the vehicle speed falls below 30 mph (48 km/h).

The vehicle will automatically enter Aero Mode when the vehicle speed remains between 62 mph (100 km/h) and 66 mph (106 km/h) for greater than

20 seconds or if the vehicle speed exceeds 66 mph (106 km/h).

Speed thresholds for raising the vehicle only apply if Automatic Aero Mode is enabled.

To enter Aero Mode manually push the height selector switch down once from NRH at any vehicle speed. To return to NRH push the height selector switch up once while vehicle speed is less than 56 mph (90 km/h).

Automatic Aero Mode may be disabled through vehicle settings on your Uconnect Radio.

Entry/Exit Mode (Lowers the vehicle approxi- mately 3 inches (73 mm)) – This position lowers the vehicle for easier passenger entry and exit as well as lowering the rear of the vehicle for easier loading and unloading of cargo. To enter Entry/Exit Mode, push the height selector switch down twice from the NRH while the vehicle speed is below 33 mph (53 km/h). Once the vehicle speed goes

below 15 mph (24 km/h) the vehicle height will begin to lower. If the vehicle speed remains between 15 mph (24 km/h) and 25 mph (40 km/h) for greater than

60 seconds, or the vehicle speed exceeds 25 mph (40 km/h) the Entry/Exit change will be canceled. To return to Normal Height Mode, push the height selector switch up twice while in Entry/Exit or drive the vehicle over 15 mph (24 km/h). Entry/Exit mode may not be available due to vehicle payload, an instrument cluster display message will be shown when this occurs page 114.

The system requires that the ignition be in the ON/RUN position or the engine running for all user requested changes. When lowering the vehicle, all of the doors must be closed. If a door is opened at any time while the vehicle is lowering, the change will not be completed until the open door(s) is closed.

This system uses a lifting and lowering pattern which keeps the headlights from incorrectly shining into oncoming traffic. When raising the vehicle, the rear of the vehicle will move up first and then the front. When lowering the vehicle, the front will move down first and then the rear.

After the engine is turned off, it may be noticed that the air suspension system operates briefly; this is normal. The system is correcting the position of the vehicle to ensure a proper appearance.

To assist with changing a spare tire, the air suspension system has a feature which allows the automatic leveling to be disabled

page 237.

If equipped with a touchscreen radio, all enabling/disabling of air suspension features must be done through the radio page 237.

AIR SUSPENSION MODES

The Air Suspension system has multiple modes to protect the system in unique situations:

To improve aerodynamics, the air suspension system has a feature which will put the vehicle into AERO height automatically page 114.

To assist with changing a tire, the air suspension system has a feature which allows the automatic leveling to be disabled

page 237.

For towing your vehicle with four wheels off the road, the air suspension system has a feature which will put the vehicle into Entry/Exit height and disable the automatic load leveling system page 237.

Before performing a wheel alignment, this mode must be enabled page 237.

In order to “protect” the air suspension system, the vehicle will disable load leveling as required (suspension overloaded, battery charge low, etc.). Load leveling will automatically resume as soon as system operation requirements are met. See an authorized dealer if system does not resume.

NOTE: 4

For towing with air suspension page 214.

INSTRUMENT CLUSTER DISPLAY MESSAGES

When the appropriate conditions exist, a message will appear in the instrument cluster display page 114.

An audible chime will be heard whenever a system error has been detected.

See an authorized dealer for system service if normal operation does not resume.

OPERATION

maximum position of OR or the highest position allowed based on current conditions (i.e. vehicle speed, etc).

Pushing the height selector switch down once will move the suspension one position lower from the current level, assuming all conditions are met (i.e. key in ON/RUN position, engine running, doors closed, speed below threshold, etc). The height selector switch can be pushed down multiple times, each push will lower the requested level by one position down to a minimum of Entry/Exit Mode or the lowest

Aero Mode – Indicator lamps 4 and 3 will be illuminated when the vehicle is in this posi- tion.

Entry/Exit Mode – Indicator lamp 4 will be illuminated when the vehicle is in Entry Exit Mode. Entry/Exit mode can be requested up to 33 mph (53 km/h). If vehicle speed is reduced to, and kept below, 15 mph

(24 km/h) indicator lamp 3 will flash and indicator lamp 4 will remain solid until Entry/Exit Mode is achieved at which point indicator lamp 3 will turn off.

The indicator lamps 1 through 4 will illuminate to show the current position of the vehicle.

Flashing indicator lamps will show a position which the system is working to achieve. When raising or lowering, the flashing indicator lamp is the position the system is working to achieve.

Pushing the height selector switch up once will move the suspension one position higher from the current position, assuming all conditions are met (i.e. key in ON/RUN position, engine running, speed below threshold, etc). The height selector switch can be pushed up multiple times, each push will raise the requested level by one position up to a

position allowed based on current conditions (i.e. vehicle speed, etc.)

Automatic height changes will occur based on vehicle speed and the current vehicle height. The indicator lamps and instrument cluster display messages will operate the same for automatic changes and user requested changes.

Off-Road 1 (OR1) – Indicator lamps 4, 3, 2, and 1 will be illuminated when the vehicle is in OR1.

Normal Ride Height (NRH) – Indicator lamps 4, 3, and 2 will be illuminated when the vehicle is in this position.

Transport Mode – No indicator lamps will be illuminated. Transport Mode is disabled by driving the vehicle.

Tire/Jack Mode – Indicator lamps 4 and 1 will be illuminated. Tire/Jack Mode is disabled by driving the vehicle.

Wheel Alignment Mode – Indicator lamps 2, 3, and 4 will be illuminated. Wheel Alignment Mode is disabled by driving the vehicle.