2018 Ram 3500 headlamp

▫Tilt Side Mirrors In Reverse — If Equipped .....71
▫ Illuminated Vanity Mirror — If Equipped ......72
 EXTERIOR LIGHTS .......................73
▫ Headlight Switch .......................73
▫ Headlights ............................74
▫ Daytime Running Lights (DRL) — If Equipped . .74
▫ Multifunction Lever .....................74
▫ High/Low Beam Switch ..................74
▫ Automatic High Beam Headlamp Control — If
Equipped .............................75
▫ Flash-To-Pass ..........................76
▫ Automatic Headlights — If Equipped .........76
▫ Parking Lights And Panel Lights .............77
▫ Headlights On With Wipers (Available With
Automatic Headlights Only) ................77
▫ Headlight Delay ........................77
▫ Lights-On Reminder ......................77
▫ Fog Lights — If Equipped .................78 ▫
Turn Signals ...........................78
▫ Lane Change Assist — If Equipped ..........79
▫ Cargo Light With Bed Lights — If Equipped ....79
▫ Battery Saver ...........................80
 INTERIOR LIGHTS .......................80
▫ Courtesy Lights .........................80
▫ Illuminated Approach ....................83
 WINDSHIELD WIPERS AND WASHERS ........83
▫ Windshield Wipers ......................83
▫ Rain Sensing Wipers — If Equipped ..........85
 CLIMATE CONTROLS .....................86
▫ Manual Climate Controls Without Touchscreen . .86
▫ Manual Climate Controls With A Touchscreen . . .91
▫
Automatic Climate Controls With A Touchscreen. . .96
▫ Climate Control Functions .................103
▫ Automatic Temperature Control (ATC) — If
Equipped ............................104
3
GETTING TO KNOW YOUR VEHICLE 17

Automatic High Beam Headlamp Control — If
Equipped
The Automatic High Beam Headlamp Control system
provides increased forward lighting at night by automat-
ing high beam control through the use of a digital camera
mounted on the inside rearview mirror. This camera de-
tects vehicle specific light and automatically switches from
high beams to low beams until the approaching vehicle is
out of view.NOTE:
•
The Automatic High Beam Headlamp Control can be
turned on or off by selecting “ON” under “Auto High
Beam” within your Uconnect settings, as well as turning
the headlight switch to the AUTO position. Refer to
“Uconnect Settings” in “Multimedia” for further infor-
mation.
• Broken, muddy, or obstructed headlights and taillights
of vehicles in the field of view will cause headlights to
remain on longer (closer to the vehicle). Also, dirt, film,
and other obstructions on the windshield or camera lens
will cause the system to function improperly.
If the windshield or Automatic High Beam Headlamp
Control mirror is replaced, the mirror must be re-aimed to
ensure proper performance. See a local authorized dealer.
To Activate
1. The Automatic High Beams are enabled through the Uconnect system. Refer to “Uconnect Settings” in “Mul-
timedia” for further information.
2. Turn the headlight switch to the AUTO headlight posi- tion.
High/Low Beam Switch
3
GETTING TO KNOW YOUR VEHICLE 75

Exterior Bulbs
Bulb Number
Base Quad Headlamp –
Low Beam H11LL
Base Quad Headlamp –
High Beam 9005LL
Front Turn Signal Lamp
(Base Quad Headlamp) 3157NA
Premium Bi Halogen Pro-
jector Headlamp - Low
Beam 9005Sl+
Premium Bi Halogen Pro-
jector Headlamp - High
Beam 9005LL
Front Turn Signal Lamp
(Premium Headlamp) LED (Serviced at autho-
rized dealer)
Fog Lamp (Horizontal
shape) 9145
Fog Lamp (Vertical shape) 9006
Bulb Number
Center High Mounted
Stop Lamp (CHMSL) 921K
Rear Cargo Lamp 921
LED Center High
Mounted Stop Lamp
(CHMSL)/Cargo Lamp LED (Serviced at autho-
rized dealer)
Cab Roof Marker Lamps 194NA
Base Rear Tail/Turn and
Stop Lamp 3157K
Premium Rear Tail/Turn
and Stop Lamp LED (Serviced at autho-
rized dealer)
Premium Backup Lamp 7440/W21W
Rear Lamp Bar ID Marker
Lamp 194
Side Marker Lamps (Dual
Rear Wheels) 194
Backup Lamp 921
Rear License Plate Lamp 194
7
IN CASE OF EMERGENCY 453

Replacing Exterior Bulbs
Base Quad / Premium Bi-Halogen: Low Beam
Headlamp, High Beam Headlamp, Front Park And
Turn — If Equipped
1. Open the hood.
2. Disconnect and isolate the negative battery cable.
3. Remove the six plastic push-in fasteners that secure theupper radiator seal to the grille support and both fender
ledges.
4. Remove the two plastic push-in rivets that secure the upper radiator seal to the radiator.
5. Remove the upper radiator seal from the vehicle.
6. Remove the two headlamp assembly attachment screws. 7. Reach into the front wheel house ahead of the front
wheel, remove the fastener, and lift the cover over the
access hole in the front of the wheel house splash shield.
Access to the rear of the lamp can be gained through this
access hole.
8. Reach through the access hole of the wheel house splash shield and lift the slide lock upward far enough to
disengage it from the lock post on the back of the front
lamp unit housing.
Headlamp Assembly Attachment Screw Locations
454 IN CASE OF EMERGENCY

9. Remove the headlamp assembly. Grasp the outboardedge of the lamp and pull it straight forward to disen-
gage the ball stud from the plastic grommet.
10. Disconnect the wiring harness connectors from the bulb socket.
11. Replace bulb(s) as necessary.
CAUTION!
• Do not contaminate the bulb glass by touching it
with your fingers or by allowing it to contact other
oily surfaces. Shortened bulb life will result.
• Always use the correct bulb size and type for replace-
ment. An incorrect bulb size or type may overheat
and cause damage to the lamp, the bulb socket, or the
lamp wiring.
NOTE: There are access covers over both headlamp bulb
access holes in the quad front lamp unit housing (if
equipped). These covers MUST be reinstalled after the bulb
has been replaced.
Fog Lamps — If Equipped
1. Reach under and behind the front bumper to access the back of the front fog lamp housing.
2. Disconnect the fog lamp wiring harness connector from the fog lamp bulb.
3. Rotate the bulb counterclockwise ¼ turn to unlock the bulb from the housing.
4. Pull the bulb straight out from the housing.
Slide Lock
7
IN CASE OF EMERGENCY 455