2020 MERCEDES-BENZ GLA SUV sensor

still
detects increasing lapsesinconcen tra-
tion, youwillbewarned againafter 15minutes
at the earliest. Thiswillonly happen ifATTEN-
TION ASSISTstill detects typicalindicators of
fatigue orincreasing lapsesinconcen tration.
Vehicles withtheCOMAND multimedia
system: ifawarning isoutput inthe multi-
function display,aservice stationsearchis
performed inthe multimedia system.Youcan
select aservice stationandnavigation tothis
service stationwillthen begin. Thisfunction
can beactivated ordeactivated inthe multi-
media system; seetheDigital Operator's Man-
ual . Lane
Tracking package
General notes The
Lane Tracking packageconsistsofBlind
Spot Assist (Ypage 185)andLane Keeping
Assist (Ypage 186).
Blind SpotAssis t General
notes
Blind SpotAssist monitors theareas oneither
side ofthe vehicle thatarenot visible tothe
driver withtwolateral, rear-facing radarsen-
sors. Awarning displayin the exterior mirrors
draws yourattent iontovehicles detected in
the monitored area.Ifyou then switch onthe
corresponding turnsignal tochange lane,you
will also receive anoptical andaudiblewarn-
ing.
Blind SpotAssist supports youfrom aspeed of
approximately 20mph (30km/h).
Importa ntsafety notes G
WARNING
Blind SpotAssist doesnotreact to:
R vehicles overtaken tooclosely onthe side,
placing theminthe blind spotarea
R vehicles whichapproach withalarge
speed differential andovertake yourvehi-
cle
As aresult, BlindSpotAssist maynotgive
warnings insuch situations. Thereisarisk
of an accident. Always
observe thetraffic conditions care-
fully ,and maintain asafe lateral distance.
Blind SpotAssist isonly anaid. Itmay failto
detect somevehicles andisno substitute for
attent ivedriving. Alwaysensurethatthere is
sufficient distancetothe side forother road
users andobstacles.
i USA
only:
This device hasbeen approved bythe FCC
as a"Vehicul arRada rSystem". Theradar
sensor isintended foruse inan automotive
radar system only.Removing, tampering
with, oraltering thedevice willvoid anywar-
ranties, andisnot permitted bythe FCC. Do
not tamper with,alter, oruse inany non-
approved way.
Any unauthorized modificationtothis device
could voidtheuser’s authority tooperate
the equip ment.
Rada rsenso rs
The radar sensors forBlind SpotAssist are
integrated intotherear bumper. Makesure
that thebumpers arefree from dirt,iceor
slush. Thesensors mustnotbecovered, for
example bycycle racks oroverhanging loads.
Following asevere impact orinthe event of
damage tothe bumpers, havethefunction of
the radar sensors checked ataqual ified spe-
cialist workshop. BlindSpotAssist maynolon-
ger work properly.
Monitoring rangeofthe senso rs
In particular, thedetection ofobstacles canbe
impaired if:
R there isdirt onthe sensors oranything else
covering thesensors
R there ispoor visibil ity,e.g. due tofog, heavy
rain orsnow
R anarrow vehicle traveling infront ,e.g. a
motorbike orbicycle
R the road hasvery wide lanes
R the road hasnarrow lanes
R you arenot driving inthe middle ofthe lane
R there arebarriers orother roadboundarie s
Vehicles inthe monitoring rangearethen not
indicated.
Blind SpotAssist monitors thearea upto10 ft
(3 m) behind yourvehicle anddirectly nextto
it. Driving
systems
185Drivingandparking Z

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions Act
ive Brake Act
ive Brake
Ass ist Functions Ass
ist Functions
Cur rently Limite d Cur
rently Limite d
See Operator'sMan ‐ See
Operator'sMan ‐
ual ual Ac
tive Brake Assis tis tempo rarily ino per ative.
Pos siblecaus esare:
R theradar sensor syst emistempo rarily ino per ative, e.g. due to
elec tromag netic radi ation emi tted bynearby TVorradi ostati ons
or other sour cesof elec tromag netic radi ation
R thesyst emisout side theoper ating tempe rature range
R theon -boar dvol tag eis toolow
Whe nth ecaus esstate dabov eno longer apply, thedisp laymes sage
disap pears.
Ac tive Brake Assis tis oper ationalagain .
If th edisp laymes sage does notdisap pear:
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 145).
X Rest arttheen gin e. Act
ive Brake Act
ive Brake
Ass ist:Sys tem Ass
ist:Sys tem
Ino perative Ino
perative Ac
tive Brake Assis tis unav ailable duetoamalf unction .Sit uati on-
depe ndentbrak ingassi stanc emay alsohavefail ed.
X Vis itaqualif iedspecialistwor kshop immediat ely. Rad
arSensors Rad
arSensors
Dir tySee Opera‐ Dir
tySee Opera‐
tor 'sManual tor
'sManual The
radar sensor syst emismalf unction ing .
Pos siblecaus esare:
R dir ton sen sors
R heav yrain orsnow
R when drivin gon inter- urban roadswithout traff icor infras truct ure,
e. g. indes ert-like area s
At least onedri vin gsyst emordrivin gsaf etysyst emismalf unction -
ing oristempo rarilyunav ailable :
R Ac tive Brake Assis t
R Ac tive Distanc eAs sis tDI ST RONI C
A warn ingtone also soun ds.
On ce thecaus eof thepro blem isno longer presen t,th edri vin gand
dri ve saf etysyst ems willbeavail able again .The displaymes sage
disap pears.
If th edisp laymes sage does notdisap pear:
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 145).
X Swi tchoff theen gin e.
X Clean allsen sors(Y page 283).
X Rest arttheen gin e.
The displaymes sage disap pears. Disp
laymes sage s
211On -boar dcomp uter anddi sp lay s Z

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions Lan
eKee ping Lan
eKee ping
Ass ist Currently Ass
ist Currently
Una vailableSee Una
vailableSee
Ope rator'sMan ual Ope
rator'sMan ual Lan
eKee pingAs sis tis deac tivat ed and tempo rarily ino per ative.
Pos siblecaus esare:
R thewin dsh ield inthecam era'sfie ldof vis ion isdir ty
R vis ibilit yis imp aire ddue toheav yrain ,sn ow orfog
R there havebeen nolanemar king sfor anextend ed per iod
R thelan emar king sare wornaway, darkorcover edup, e.g. by dirt
or snow
Whe nth ecaus esstate dabov eno longer apply, thedisp laymes sage
disap pears.
Lan eKee pingAs sis tis oper ationalagain .
If th edisp laymes sage does notdisap pear:
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 145).
X Clean thewin dsh ield. Lan
eKee ping Lan
eKee ping
Ass ist Inoperati ve Ass
ist Inoperati ve Lan
eKee pingAs sis tis def ective.
X Vis itaqualif iedspecialistwor kshop . Bli
ndSpotAss ist Bli
ndSpotAss ist
Cur rently Unavai la‐ Cur
rently Unavai la‐
ble SeeOperat or's ble
SeeOperat or's
Man ual Man
ual Bli
nd Spot Assis tis tempo rarily ino per ative.
Pos siblecaus esare:
R theradar sensor syst emistempo rarily ino per ative, e.g. due to
elec tromag netic radi ation emi tted bynearby TVorradi ostati ons
or other sour cesof elec tromag netic radi ation
R theradar sensor syst emisout side theoper ating tempe rature
ran ge
The yellow 0063indicat orlamp salso lightup intheex terio rmir rors.
Whe nth ecaus esstate dabov eno longer apply, thedisp laymes sage
disap pears.
Bli nd Spot Assis tis oper ationalagain .
If th edisp laymes sage does notdisap pear:
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 145).
X Rest arttheen gin e. Bli
ndSpotAss ist Bli
ndSpotAss ist
Ino perative Ino
perative Bli
nd Spot Assis tis malf unction ing .
The yellow 0063indicat orlamp salso lightup intheex terio rmir rors.
X Vis itaqualif iedspecialistwor kshop . Act
ive Parking Act
ive Parking
Ass ist Canceled Ass
ist Canceled The
driver 'sdoor isopen andthedri ver 'sseat belthasnotbeen fas-
te ne d.
X Repeat thepark ingprocess wit hth eseat beltfastene dand the
dri ver 'sdoor closed . Disp
laymes sage s
221On -boar dcomp uter anddi sp lay s Z

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions You
haveina dve rten tly to uch edthemult ifunction steer ing whee l
while steer ing interv ention was active.
X Whil est eer ing interv ention isact ive,mak esur eth at themult i-
fun ction steer ing whee lis no tto uch eduninten tion ally. The
vehiclehas start ed toskid and ESP®
has interv ened.
X Use Active Park ingAssis tagain later (Y page 174). Act
ive Parking Act
ive Parking
Ass ist Inoperative Ass
ist Inoperative You
havejus tcar riedout alarg enum beroftur nin gor park ing
man euve rs.
Ac tive Park ingAssis twill become available again afterappr ox-
imat elytenmin utes(Y page 174).
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.
X Swi tchoff and restartth een gin e.
If th emult ifunction disp laystill sho wsthedisp laymes sage :
X Vis itaqualif iedspecialistwor kshop . Park
ingAssis tPA RKTRO NICis malf unction ing .
X Vis itaqualif iedspecialistwor kshop . Act
ive Parking Act
ive Parking
Ass ist Finished Ass
ist Finished The
vehicleis park ed.Awarn ingtone also soun ds.
The displaymes sage disap pearsauto matically. Act
ive Distance Act
ive Distance
Ass ist Off Ass
ist Off Ac
tive Distanc eAs sis tDI ST RONI Cwas deac tivat ed (Ypage 163).
If it was notdeac tivat ed bythedri ver ,a warn ingtone also soun ds. Act
ive Distance Act
ive Distance
Ass ist NowAvaila ‐ Ass
ist NowAvaila ‐
ble ble Ac
tive Distanc eAs sis tDI ST RONI Cis oper ationalagain afterhav ing
been tempo rarilyunav ailable .You cannowreac tivat eAc tive Dis-
tan ceAssis tDI ST RONI C(Y page 160). Act
ive Distance Act
ive Distance
Ass ist Currently Ass
ist Currently
Una vailableSee Una
vailableSee
Ope rator'sMan ual Ope
rator'sMan ual Ac
tive Distanc eAs sis tDI ST RONI Cis tempo rarily ino per ative.
Pos siblecaus esare:
R theradar sensor syst emistempo rarily ino per ative, e.g. due to
elec tromag netic radi ation emi tted bynearby TVorradi ostati ons
or other sour cesof elec tromag netic radi ation
R thesyst emisout side theoper ating tempe rature range
R theon -boar dvol tag eis toolow
A warn ingtone also soun ds.
Whe nth ecaus esstate dabov eno longer apply, thedisp laymes sage
disap pears.
Ac tive Distanc eAs sis tDI ST RONI Cis oper ationalagain .
If th edisp laymes sage does notdisap pear:
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 145).
X Rest arttheen gin e. 222
Disp
laymes sage sOn -boar dcomp uter anddi sp lay s

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions Tir
ePress.Sen ‐ Tir
ePress.Sen ‐
sor (s) Missing sor
(s) Missing US
Aon ly:
The reisno sign alfrom thetire pre ssur esen sor ofoneor sev eral
ti res .The pressur eof theaff ectedtire does notappear inthemult i-
fun ction disp lay.
X Hav eth efault ytire pre ssur esen sor replace dat aqualif iedspe-
cial istwor kshop . Tir
ePre ssureMon i‐ Tir
ePre ssureMon i‐
tor InoperativeNo tor
InoperativeNo
Whe elSensors Whe
elSensors US
Aon ly:
The whee lsmoun teddo nothav easuit able tire pre ssur esen sor.
The tire pre ssur emon itor isdeac tivat ed.
X Moun twhee lswit hsuit able tire pre ssur esen sors.
The tire pre ssur emon itor isact ivat edauto maticallyaft erdrivin g
for afew minutes. Tir
ePre ss. Moni‐ Tir
ePre ss. Moni‐
tor Inoperative tor
Inoperative US
Aon ly:
The tire pre ssur emon itor isfault y.
X Vis itaqualif iedspecialistwor kshop . Veh
icle Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions Dep
ressBra keto Dep
ressBra keto
Sta rtEngine Sta
rtEngine You
haveatt emp tedto start theen gin ewit hth etrans mis sion in
pos ition 005Cwithout depressing thebrak epedal .
X De pre ssthebrak epedal . To
DeselectPor To
DeselectPor
N, DepressBra ke N,
DepressBra ke
and StartEngine and
StartEngine You
attemp tedto shi ftthetrans mis sion topos ition 005Eor005B with-
out start ing theen gin e.
X Start theen gin e.
X De pre ssthebrak epedal .
i It
is pos sibleto shi ftthetrans mis sion from position 005Dtothe
des iredpos ition onlyifyou depr essthebrak epedal .On lythen
can thepark inglockbe deac tivat ed. Ifyou donotdepr essthe
brak epedal ,th eDI RECT SELECT levercan still be mov edbut the
park inglockrem ainsen gage d.
i At
trans mis sion fluid tempe ratures below00F84 ‡(00F82 0†), you can
shi ftout ofpos ition 005Dintoano ther trans mis sion position only
when theen gin eis run ning. App
lyBraketo App
lyBraketo
Shi ftfrom'P' Shi
ftfrom'P' You
attemp tedto shi ftthetrans mis sion topos ition 005E, 005Cor005B
wit hout depressing thebrak epedal .
X De pre ssthebrak epedal . 226
Disp
laymes sage sOn -boar dcomp uter anddi sp lay s

X
Clean sensors0043 ofthedriv ingsyst ems
wit hwate r,car sham pooandasof tclo th.
Clean ingtherea rview camera !
Do
notcle an thecam eralensand thearea
aroun dth erear view camerawithapower
washe r. X
Mak esure that theveh icle isat ast and still
and theSm artKey isin posi tion0048 inthe
ign ition lock.
X Open thecam eracover forcleanin gvia the
mult imed iasyst em(see Digital Oper ator's
Man ual).
X To clean therea rview camera:use clear
wate rand asof tclo thto cle an cam era
len s0043. Clean
ingtheexha ustpipes G
WAR
NING
The exhaust tailpipe andtailpipe trim can
bec ome veryhot .If you come intoco ntact
wit hth ese partsof theveh icle,you could
burn yours elf.Ther eis aris kof burn s.
Alwa ysbe part icular lycar eful andsuper vise
ch ildr enclosely aroun dth eex haust pipeand
th eex haust pipetrims .All ow these compo -
ne ntsto cool down before touch ingthem.
! Do
notcle an theex haust pipewithacid -
based cleanin gagen ts,suc has bat hro om
cle ane ror wheel cleane r.
! Mer
cedes‑AM Gveh icleswit hblac ktail -
pipes :blac kch rom etrims must notbe pol-
ishe dwit hach rom epolis has this will caus e
th em tolose their blac kshin e.For optimal
car e,thefac eplat essho uld berubbe dwit ha
light lyoiled clothaft ereve rycar wash. Com-
mer ciall yavailab leen gin eoils and careoils
are suitable foruse.
For heav iersoili ng,you can apply afin e
pain tworkpolis hwit hamic rofiber cloth.
Remo vetheex ces spolis hres idue afterpol-
ishin g.
Imp urities combin edwithth eeff ect sof road
grit and corrosiv een viron men talfactors may
caus eflas hrust tofor mon thesurf ace. You
can restore theorig inal shineof theex haust
pipe bycleanin git reg ularly, especiallyin win-
te rand afterwashin g.
X Clean theex haust pipewithacar epro duct
te sted and appr ovedby Mer cedes-Ben z. Int
erior car e
Clean ingthedis pla y !
For
cleanin g,do notuse anyofthefoll ow-
ing :
R alco hol-based thinn eror gaso line
R abras ivecleanin gagen ts
R co mm ercially- availab lehous eholdcle an-
ing agen ts
Thes emay damag eth edispl aysurf ace. Do
no tput pressur eon thedispl aysurf ace 284
Car
eMaintenan ceand care

rotation
ofawhee lchanges asaresul tof a
loss ofpressu re,acorrespo ndingwarning
messa gewillapp ear inthe multi function dis-
pla y.
You canrecognize thetire pressu reloss warn-
ing bythe Run Flat Indicato rActive Run
Flat Indicato rActive
Press 'OK'toRestart Press
'OK'toRestart messageinthe mul-
tifunction displayinthe Serv. Serv.
menu. Informa-
tion onthe messa gedisp laycan befound in
the "Restarting thetire pressu reloss warni ng"
section (Ypag e312) .
Important safetynotes The
tirepressu rewarni ngsystem doesnot
warn youofan incorrectly settire pressu re.
Observe thenotes onthe recommended tire
pressu re(Y pag e308) .
The tirepressu reloss warni ngdoes not
repla cethe need toregu larlycheck thetire
pressu re.Aneven lossofpressu reon severa l
tires atthe same timecannot bedetected by
the tire pressu reloss warni ngsystem.
The tirepressu remonitor isnot ableto warn
you ofasudd enloss ofpressu re,e.g. ifthe
tire ispenetrated byaforeig nobject. Inthe
event ofasudd enloss ofpressu re,bring the
vehicl eto ahal tby braking carefully.Avoid
abru ptsteering movements.
The function ofthe tire pressu reloss warni ng
system islimi ted ordela yedif:
R snow chains aremounted onyou rvehicl e's
tires.
R road conditions arewintry.
R you aredrivi ngon sand orgravel .
R you adoptavery sporty drivingstyle (corner-
ing athigh speedsordrivi ngwith high rates
of accele ration).
R you aredrivi ngwith aheavy load(in the
vehicl eor on the roof)
Restarting thetire pressure losswarn-
ing system Resta
rtthe tire pressu reloss warni ngsystem
if you have:
R changed thetire pressu re
R changed thewhee lsor tires
R mounted newwhee lsor tires
X Before restarting, makesurethatthetire
pressu resare setprope rlyon allfour tires
for the respe ctiveopera tingconditions. The
recommended tirepressu recan be
found onthe Tire andLoad ingInformation
pla card onthe B-pill ar.Additio nally,atire
pressu retable isattached tothe fuel filler
flap .The tirepressu reloss warni ngsystem
can only givereliablewarni ngsifyou have
set the correct tirepressu re.Ifan incorrect
tire pressu reisset, these incorrect values
wil lbe monitored.
X Also observe thenotes inthe section ontire
pressu res(Ypag e308) .
X Make surethattheSmartKey isin posi tion
0048 inthe ignitio nlock (Ypag e125).
X Press 0059or0065 onthe steering wheel
to sele ctthe Serv. Serv.
menu.
X Press the0063 or0064 button tosele ct
Tire Pressure Tire
Pressure .
X Press the0076 button.
The Run Flat Indicato rActive Press Run
Flat Indicato rActive Press
'OK' toRestart 'OK'
toRestart messageapp ears inthe
multi function display.
If you wishto con firm therestart:
X Press the0076 button.
The Tire Pressure NowOK? Tire
Pressure NowOK?messa ge
app ears inthe multi function display.
X Press the0063 or0064 button tosele ct
Yes Yes.
X Press the0076 button.
The Run Flat Indicato rRestarte d Run
Flat Indicato rRestarte dmes-
sage appears inthe multi function display.
After ateach-in period,the tire pressu re
loss warni ngsystem willmonitor thesettire
pressu resofall four tires.
If you wishto canc elthe restart:
X Press the0038 button.
or
X Ifthe Tire Pressure NowOK? Tire
Pressure NowOK?messa ge
app ears, press the0063 or0064 button to
sele ctCancel Cancel.
X Press the0076 button.
The tirepressu revalu esstored atthe last
restart willcontinue tobe monitored. Tire
pressure monitor(Can adaonly)
Gene ralnotes If
atire pressu remonitor isinstall ed,the vehi-
cle's whee lshave sensors thatmonitor thetire
pressu resinall four tires. Thetirepressu re 312
Tire
pressureWhee lsand tires

monitor
warnsyouifthe pressu redrops inone
or more ofthe tires. Thetirepressu remonitor
only functions ifthe correspondi ngsensors
are install edinall whee ls.
Information ontire pressu resisdisp layed in
the multifu nctiondisplay.After afew minutes
of drivi ng,the current tirepressu reofeach tire
is shown inthe Serv. Serv.
menuofthe multifu nc-
tion display,see illustratio n(examp le). For
informatio non the messa gedisp lay,refer
to the "Checking thetire pressu reelectroni-
call y"section (Ypage 314).
Important safetynotes G
WARNING
Each tire,includ ingthe spare (ifprovid ed),
shou ldbe checked atlea stonce every two
weeks whencoldandinflated tothe pres-
sure recommended bythe vehicl emanufa c-
turer onthe Tire andLoad ingInformation
pla card onthe driver' sdoor B-pillaror the
tire pressu relab elon the inside ofthe fuel
fill er flap .If you rvehicl ehas tires ofadiffer-
ent size than thesize indica tedonthe Tire
and Load ingInformation placard or,ifavai la-
ble, thetire pressu relab el,you shou ld
determine theprope rtire pressu refor those
tires.
As anadd edsafety feature ,you rvehicl ehas
been equippe dwith atire pressu remonitor-
ing system (TPMS)thatillumina tesalow tire
pressu retelltal ewhen oneormore ofyou r
tires aresignifi cantly underinflated. Accord-
ingly ,when thelow tirepressu retelltal e
ligh tsup, you shou ldstop andcheck your
tires assoon aspossi ble,and inflate themto
the prope rpressu re.Driving onasignifi -
cantly underinflated tirecause sthe tire to
overhea tand canleadto tire failure. Underinfla
tionalsoredu cesfuel efficie ncy
and tiretread life,and may affect thevehi-
cle's handl ingand stoppi ngability.Plea se
note thattheTPMS isnot asubs titute for
prope rtire maintenance, anditis the driv-
er's responsi bility tomaintai ncorrect tire
pressu re,even ifunderi nflation hasnot
reache dthe level totrigger illumina tionof
the TPMS lowtirepressu retelltal e.
You rvehicl ehas alsobeen equippe dwith a
TPMS malfunction indicatortoindica te
when thesystem isnot opera tingprope rly.
The TPMS malfunction indicatoriscombined
with thelow tirepressu retelltal e.When the
system detects amalfu nction, thewarni ng
lamp willflash forapp roximatel ya minute
and then remai ncontinuousl yillumina ted.
This sequ ence willbe repea tedevery time
the vehicl eis started aslong asthe malfu nc-
tion exists. Whenthemalfu nction indicator
is illumina ted,thesystem maynotbeableto
detect orsignal lowtirepressu reas inten-
ded.
TPMS malfunctions mayoccur foravarie ty
of reaso ns,includ ingthe install ationof
incompati blerepla cement oralterna tetires
or whee lson the vehicl ethat prevent the
TPMS fromfunctioning properly.Alwa ys
check theTPMS malfunction telltaleafter
repla cingoneormore tiresorwhee lson
you rvehicl eto ensure thattherepla cement
or alterna teTires andwhee lsall ow the
TPMS tocontinue tofunction properly.
It is the driver' sresponsi bility toset the tire
pressu reto that recommended forcold tires
which issui table forthe opera tingsitua tion
(Y page 308). Notethatthecorrect tirepres-
sure forthe current operatingsitua tionmust
first betaugh t-intothe tire pressu remonitor.
If asubs tantial lossofpressu reoccurs, the
warni ngthreshol dfor the warni ngmessa geis
ali gned tothe taugh t-inreference values.
Resta rtthe tire pressu remonitor afteradjust-
ing the pressu reofthe cold tires
(Y page 315).The current pressuresare
saved asnew reference values.Asaresul t,a
warni ngmessa gewillapp ear ifthe tire pres-
sure drops significantly. Tire
pressure
313Wheelsand tires Z