2020 Ram 3500 Chassis Cab ignition

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Page 196 of 516

Ram 3500 Chassis Cab 2020  Owners Manual 
194STARTING AND OPERATING  
NORMAL OPERATION — DIESEL ENGINE
Observe the following when the engine is oper -
ating.
All message center lights are off.
Malfunction Indicator Light (MIL) is off

Page 200 of 516

Ram 3500 Chassis Cab 2020  Owners Manual 
198STARTING AND OPERATING  
Idle-Up Feature
The driver-controlled high idle speed feature will 
help increase cylinder temperatures and 
provide additional cab heat, however, excessive 
idling may st

Page 207 of 516

Ram 3500 Chassis Cab 2020  Owners Manual 
STARTING AND OPERATING205
(Continued)
(Continued)
AUTOMATIC TRANSMISSION
Do not leave the key fob in or near the 
vehicle, or in a location accessible to chil-
dren, and do not leave a vehicle equ

Page 208 of 516

Ram 3500 Chassis Cab 2020  Owners Manual 
206STARTING AND OPERATING  
NOTE:
You must press and hold the brake pedal while 
shifting out of PARK.
Ignition Park Interlock
This vehicle is equipped with an Ignition Park 
Interlock which requires

Page 210 of 516

Ram 3500 Chassis Cab 2020  Owners Manual 
208STARTING AND OPERATING  
(Continued)
(Continued)
(Continued)
NOTE:
On four-wheel drive vehicles be sure that the 
transfer case is in a drive position.
When exiting the vehicle, always:
Apply t

Page 211 of 516

Ram 3500 Chassis Cab 2020  Owners Manual 
STARTING AND OPERATING209
The following indicators should be used to 
ensure that you have properly engaged the 
transmission into the PARK position:
When shifting into PARK, pull the gear 
select

Page 212 of 516

Ram 3500 Chassis Cab 2020  Owners Manual 
210STARTING AND OPERATING  
If the transmission temperature exceeds 
normal operating limits, the powertrain 
controller will modify the transmission shift 
schedule and expand the range of torque 
c

Page 217 of 516

Ram 3500 Chassis Cab 2020  Owners Manual 
STARTING AND OPERATING215
(Continued)
The following indicators should be used to 
ensure that you have properly engaged the 
transmission into the PARK position:
Look at the transmission gear posi