Page 48 of 330

GETTING TO KNOW YOUR VEHICLE
46
Cabin Air Filter  
The  climate  control  system  filters  out  dust
and  pollen  from  the  air.  Contact  an  autho-
rized  dealer  to  service  your  cabin  air  filter,
and to have it replaced when needed.
POWER WINDOWS — IF 
EQUIPPED 
The  power  window  switches  are  located  on
the  instrument  panel  below  the  climate
controls. Push the switch downward to open
the window and upward to close the window.
The  top  left  switch  controls  the  left  front
window and the top right switch controls the
right front window. Power Window Switches
NOTE:
The  power  window  switches  will  remain
active  for  up  to  10 minutes  after  ignition  is
placed  in  the  OFF  position.  Opening  either
front door will cancel this feature. Four-Door Models
The  lower  left  switch  controls  the  left  rear
passenger window, and the lower right switch
controls the right rear passenger window.
NOTE:
There  are  window  switches  located  on  the
rear  of  the  center  console  for  the  rear
passenger windows in the four-door model.Auto-Down Feature 
The driver door power window switch and the
passenger door power window switches have
an  Auto-Down  feature.  Push  the  window
switch down, for a short period of time, and
release  and  the  window  will  go  down  auto
-
matically.
To  open  the  window  part  way,  push  the
window  switch  down  briefly  and  release  it
when you want the window to stop.
 WARNING!
Never leave children unattended in a vehicle,
and  do  not  let  children  play  with  power
windows. Do not leave the  key  fob  in or  near
the  vehicle,  or  in  a  location  accessible  to
children. Occupants, particularly unattended
children,  can  become  entrapped  by  the
windows  while  operating  the  power  window
switches.  Such  entrapment  may  result  in
serious injury or death.
1 — Passenger Side Front Window Switch
2 — Driver Side Front Window Switch
3 — Window Lockout Switch
4 — Driver Side Rear Window Switch
5 — Passenger Side Rear Window Switch
2020_JEEP_JL_WRANGLER_UG_RHD_UK.book  Page 46   
         
        
        
     
        
        Page 216 of 330
SERVICING AND MAINTENANCE
214
Inspect the transfer case 
fluid.X
X X
Inspect the CV/Universal 
joints. X X X X X X X X X X X X X X X X X X X X
Change brake fluid every 
24 months if using DOT 
4 brake fluid. ** X X X X X X X X X X
Adjust parking brake on 
vehicles equipped with 
four-wheel disc brakes. X
X X XX
Replace engine air 
cleaner filter. X
X X XX
Replace air 
conditioning/cabin air 
filter. X
X X XXX
Replace spark plugs 
(2.0L Engine) *** X
X XX
Replace spark plugs 
(3.6L Engine) *** X
X
Mileage or time passed 
(whichever comes first)
7,500
15,000
22,500
30,000
37,500
45,000
52,500
60,000
67,500
75,000
82,500
90,000
97,500
105,000
112,500
120,000
127,500
135,000
142,500
150,000
Or Months: 12 24 36 48 60 72 84 96 108 120 132 144 156 168 180 192 204 216 228 240
Or Kilometers:
12,000
24,000
36,000
48,000
60,000
72,000
84,000
96,000
108,000
120,000
132,000
144,000
156,000
168,000
180,000
192,000
204,000
216,000
228,000
240,000
2020_JEEP_JL_WRANGLER_UG_RHD_UK.book  Page 214   
         
        
        
     
        
        Page 221 of 330
219
Additional Maintenance
Replace engine air cleaner filter.X X X X X X X
Replace air conditioning/cabin air filter. X X X X X X X
Change  brake  fluid  every  24 months  if  using  DOT  4
brake fluid. (**) X X X X X X X
Replace the engine fuel filter. X X X X X X X
Inspect accessory drive and timing belt. XX X
Replace accessory drive belt. (***) XX
Flush  and  replace  the  engine  coolant  at  10  years  or
150,000 miles (240,000 km) whichever comes first. X X
Replace timing drive belt. (***) XX
Mileage or time passed (whichever comes first)
12,500
25,000
37,500
50,000
62,500
75,000
87,500
100,000
112,500
125,000
137,500
150,000
162,500
175,000
187,500
Or Years: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Or Kilometers:
20,000
40,000
60,000
80,000
100,000
120,000
140,000
160,000
180,000
200,000
220,000
240,000
260,000
280,000
300,000
2020_JEEP_JL_WRANGLER_UG_RHD_UK.book  Page 219