Ram 1500/2500/3500 Owners & Service Manuals

Ram 1500/2500/3500: To Start The Engine While In Autostop Mode

While in DRIVE the engine will start when the brake pedal is released or the throttle pedal is depressed. The transmission will automatically reengage upon engine restart. During this transition the brakes will hold the vehicle to avoid undesired vehicle movement.

Conditions that will cause the engine to start automatically while in Autostop mode.

The Engine Will Start Automatically When:

  • The transmission selector is moved from DRIVE to REVERSE or NEUTRAL
  • To maintain cabin temperature near the HVAC settings
  • HVAC is set to full defrost mode
  • Autostop time exceeds 5 minutes
  • Battery voltage drops too low
  • Low brake vacuum (e.g. after several brake pedal applications)
  • STOP/START OFF switch is pressed
  • 4WD system is put into 4LO mode
  • The emissions system requires it
  • A STOP/START system error occurs
  • The emissions system requires it
  • A STOP/START system error occurs

Conditions that force an automatic shift to PARK while in Autostop mode.

The Engine Will Not Start Automatically and the Transmission will be placed in PARK if:

  • The driver door is open and brake pedal released
  • The driver door is open and the driver seat belt is unbuckled
  • The engine hood has been opened
  • A STOP/START system error occurs

The engine may then be restarted by moving the transmission shift selector out of PARK (e.g. to DRIVE) or, in some cases, only by a KEY START. The Electronic Vehicle Information Center (EVIC) will display a SHIFT OUT OF PARK message, or a STOP/START KEY START REQUIRED message, to indicate which action is required.

Refer to "Electronic Vehicle Information Center (EVIC)" in "Understanding Your Instrument Panel" for further information.


     To Manually Turn Off The Stop Start System

    1. Press the STOP/START Off switch (located on the switch bank). The light on the switch will illuminate. STOP/START OFF Switch 2. The STOP/START OFF message will appear in Electronic Vehicle Informa

     Engine Block Heater - If Equipped

    The engine block heater warms the engine, and permits quicker starts in cold weather. Connect the cord to a standard 110-115 Volt AC electrical outlet with a grounded, three-wire extension cord. 1500

     Automatic Transmission

    CAUTION! Damage to the transmission may occur if the following precautions are not observed: Shift into PARK only after the vehicle has come to a complete stop. Shift into or out of REVERSE only a


     Brake System

    In order to assure brake system performance, all brake system components should be inspected periodically. Refer to the "Maintenance Schedule" for the proper maintenance intervals. WARNING! Riding the brakes can lead to brake failure and possibly a collision. Driving with your foot resting or ridin

     Tire Markings

    U.S. DOT Safety Standards Code (TIN) Size Designation Service Description Maximum Load Maximum Pressure Treadwear, Traction and Temperature Grades NOTE: P (Passenger) - Metric tire sizing is based on U.S. design standards. P-Metric tires have the letter "P" molded into the sidewall pr

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