2020 Ram 1500 AC system

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Page 190 of 674

Ram 1500 2020  Owners Manual 188 GETTING TO KNOW YOUR INSTRUMENT PANEL
 — Service Stop/Start System Warning Light — If 
Equipped
This  warning  light  will  illuminate  when  the  Stop/Start
system  is  not  functioning  prop

Page 191 of 674

Ram 1500 2020  Owners Manual GETTING TO KNOW YOUR INSTRUMENT PANEL 189
 /   — Air Suspension Off-Road 1 Indicator Light — If 
Equipped
This light  will illuminate when the air suspension system  is
set to the Off-Road 1 setti

Page 192 of 674

Ram 1500 2020  Owners Manual 190 GETTING TO KNOW YOUR INSTRUMENT PANEL
 — Rear Axle Lock Indicator Light
This  light  indicates  when  the  rear  axle  lock  has  been  acti -
vated.
 — 4WD Indicator Light — If Equipped
Thi

Page 193 of 674

Ram 1500 2020  Owners Manual GETTING TO KNOW YOUR INSTRUMENT PANEL 191

Optimal conditions for completing the process are achieved by trav-
eling at 37 mph (60 km/h) with engine speed above 2,000 rpm.

When this symbol switches o

Page 194 of 674

Ram 1500 2020  Owners Manual 192 GETTING TO KNOW YOUR INSTRUMENT PANEL
Refer to “Starting The Engine” in “Starting And Operating”
for further information.
NOTE:
The “Wait To Start”  telltale  may  not  illuminate if

Page 196 of 674

Ram 1500 2020  Owners Manual 194 GETTING TO KNOW YOUR INSTRUMENT PANEL
 — Cruise Control Ready Indicator 
This indicator light will illuminate when the cruise control is
ready, but not set. Refer to “Speed Control” in “St

Page 197 of 674

Ram 1500 2020  Owners Manual GETTING TO KNOW YOUR INSTRUMENT PANEL 195
ONBOARD DIAGNOSTIC SYSTEM — OBD II 
Your  vehicle  is  equipped  with  a  sophisticated  Onboard
Diagnostic  system  called  OBD  II.  This  system  monitor

Page 198 of 674

Ram 1500 2020  Owners Manual 196 GETTING TO KNOW YOUR INSTRUMENT PANEL
EMISSIONS INSPECTION AND MAINTENANCE 
PROGRAMS  
In  some  localities,  it  may  be  a  legal  requirement  to  pass  an
inspection of your vehicles emission