Re
ar axle tir epressures on vehicles with rear wheel driv eand Super Single tires
Max. rear axle load 7055 lbs (3200 kg)Ti
re s/disc wheel Vehicl eload Max.rear axle load
7055 lbs (3200 kg)
225/75R16C 121/120R (122L) Fullyl aden
690 kPa(6.9b ar/100 psi) 3)
285/65R16C 131R Fully laden 460 kPa(4.6b ar/6 7psi) Max
.rear axl eload 7716 lbs (3500 kg) Ti
re s/disc wheel Vehicl eload Max.rear axle load
77 16 lbs (3500 kg)
225/75R16C 121/120R (122L) Fullyl aden
690 kPa(6.9b ar/100 psi) 3)
285/65R16C 131R Fully laden 520 kPa(5.2b ar/7 5psi) 3)
Va lid touse foras horttime as aspar ew heel
on ther ear axle foram aximu mdista nce of
62 miles (100 km) and amaximum speed of
34 mph(55 km/h).
Be sur etoalso obse rvet he following fur ther rela‐
te ds ubjects:
R Notesont irep ressur e(/pag e204)
R Tire and Loadin gInforma tionp lacard
(/ page210)
R Maximum tirep ressure (/ page 215) Ti
re pressur emonitor Fu
nction of tir epressur emonitor on single
tires &
DANG ER Risk of acciden tdue toincor‐
re ct tir epressure
Ever ytire, including thes par e(if pr ovided),
should be checkedw hen cold at leas toncea
mont hand inflated tothep ressur erecom‐
mended bythev ehicle manufacturer (see Tire
and Loadin gInforma tionp lacar dont he B-pil‐
lar on thed rive r’ss ide or thet irep ressure
label on thei nside of thef uel filler flap of your
ve hicle). If your vehicle has tires of adiffe re nt
size than thes ize indicated on theT irea nd
Loading In form atio nplacar dort he tirepres‐
sur etable, youn eedtod etermine thep roper
tir ep ressur efor those tires.
As an added saf etyf eature, your vehicle has
been equipped wit hatirep ressur emonitor‐ ing sy
stem (TPMS) that illuminates alow tire
pressur eindicator lam pwhen one or mor eof
yo ur tires ar esignificantl yunde rinfla ted.
Ac cordingly ,ifthe lo wtirep ressur eindicator
lam plights up, yous houl dstopa nd check
yo ur tires as soon as possible, and inflate
th em tothep roper pressure. Driving on asig‐
nificantly underinflated tir ecauses thet ireto
ove rheat and can lead totiref ailure. Underin‐
fl atio nalso inc reases fuel consum ption and
re duces tir etread life, and ma yaffect the
ve hicle's handling and braking ability .Please
no te that theT PMS is no tasubstitut efor
proper tir emaintenance, and it is thed rive r's
re sponsibility tomaintain cor rect tir epres‐
sure, even if underinflation has no treached
th el eve ltot rigger illumination of theT PMS
lo wt irep ressur eindicator lamp.
Yo ur vehicle has also been equipped wit ha
TPMS malfunction indicator toindicat ewhen
th es ystem is no toperating properly .The
TPMS malfunction indicator is combined with
th el ow tirep ressur eindicator lamp. When
th es ystem de tects am alfunction, thei ndica‐
to rlamp willf lashfora pproxima tely am inute
and then remain continuously illumina ted.
This sequence will continue upon subsequent
ve hicle start-ups as lon gasthe malfunction
ex ists.
When them alfunction indicator is illuminated,
th es ystem ma ynotbe able todetect or sig‐
nal lo wtirep ressu reas intended. TPMS mal‐
function smayoccur forav ariety of reasons,
includin gthe ins tallation of incompatible 208
Wheels and tires
re
placement or alternat etires or wheels on
th ev ehicle that pr event theT PMS from func‐
tionin gproper ly.
Alw aysc hec kthe TPMS malfunction warning
lam pafter replacing one or mor etires or
wheels on your vehicle toensur ethat the
re placement or alternat etires and wheels
allo wthe TPMS tocontinu etofunction prop‐
er ly. The sy
stem checks thet irep ressur eand thet em‐
peratur eofthe tires ins talled tothev ehicle by
means of atirep ressur esensor.
Ne wt irep ressur esensors, e.g. in winter tires,
ar ea utomatically taught-in thef irst time they are
driven.
The tir epressur eand thet iret emperatur eappear
in them ultifunction displa y(/pag e160).
If th er eisas ubstantia llos soft irep ressure, a
wa rning is issued:
R via displa ymessages (/ page260)
R viathe 0077 warning lam pinthe instrument
clus ter
It is thed rive r's responsibility tosetthe tir epres‐
sur etot herecommended cold tir epressur esuit‐
able fort he operating situation. Se tthe tir epres‐
sur efor cold tires using atirep ressu regauge.
No tethat thec orrect tir epressure fort he cur rent
ope rating situatio nmustfirst be taught-in tothe
tir ep ressur emonitoring sy stem.
In mos tcases, thet irep ressur emonitoring sys‐
te mw illa utomatically updat ethe ne wreference
va lues af tery ou ha vechanged thet irep ressure.
Yo uc an,h owe ver,also updat ethe refere nce val‐
ues byrestartin gthe tir epressur emonitoring
sy stem manually (/ page210).
Sy stem limitations
The sy stem ma ybeimpaired or ma ynotfunction
in thef ollowing situations:
R ifth et irep ressur eiss etincor rectly
R ifth er eisas udden pressur eloss caused by a
fo re ign object penetrating thet ire, fore xam‐
ple
R ifth er eisam alfunction caused byano ther
ra dio signal source
Mak esuretoo bservethef ollowing fur ther rela‐
te ds ubject:
R Notesont irep ressur e(/pag e204) Checking
thet irep ressur ewitht he tir epres‐
sur em onitoring sy stem
Requ irements:
R The ignition is switched on
On-boar dcomputer:
4 Service 5
Tires
One of thef ollowing displa ysappears:
R The cur rent tir epressur eand tir etempera‐
tur eoft he individual wheels Instrument Displa
ywithc olor display
R The cur rent tir epressur efor eac hwheel Instrument Displa
ywithb lack and whit edisplay
R Tire pressure will be displaye dafter driving a
few minutes :the teach-in process of thes ys‐
te misn otyetc ompl ete. The tir epressur eare
already being monitored. #
Compar ethe tir epressur ewitht he recom‐
mende dtirep ressur efor thec urrent ope rat‐
ing condition .Obser vethen otes on tir etem‐
peratur e(/pag e204).
% The
values displa yedint he multifunction dis‐
pla ym aydeviat efromt hose of thet irep res‐
sur egaug east heyr efer tosea le vel.At high
altitudes, thet irep ressur evalues indicated
by ap ressur egaug earehigher than those
shown bytheo n-boar dcomputer .Inthis
case, do no treduce thet irep ressure. Wheels and tires
209