Dodge 2008 Ram 2500 PowerWagon - Manual (Page 26)

To remote start your vehicle, press the REMOTE START
button on the key fob twice within three seconds. To
indicate that the vehicle is about to start, the parking
lights will flash and the horn will sound briefly. Once the vehicle has started, the engine will run for 15
minutes. To cancel remote start, press the REMOTE
START button once.
The parking lamps will remain illuminated to indicate
that the vehicle has remote started and the engine is
running. The lamps will turn off when the ignition is
turned to RUN or the remote start is cancelled.
To enter the vehicle while the engine is running during a
remote start, you must first unlock the vehicle using the
UNLOCK button on the key fob. After the vehicle is
unlocked, you have 15 minutes to enter the vehicle, insert
the key in the Ignition and move it to the RUN position,
otherwise the engine will cancel remote start and auto-
matically turn off.
Remote Start Transmitter
26 THINGS TO KNOW BEFORE STARTING YOUR VEHICLE