lights MERCEDES-BENZ GLA 2020 Service Manual

Imp
ortant safety notes G
WAR
NING
If you oper ateinform ation syst ems andcom-
mun ication equipm entint egr atedin the
veh iclewhen driving,you may bedist racted
fr om thetraff icsit uati on.You could also
lose control oftheveh icle. Ther eis aris kof
an acc iden t.
On lyoper atethis equipm entwhen thetraff ic
sit uati onper mits.Ifyou arenotsur eth at
th is ispos sible ,park theveh iclepayin g
att ention totraff icco nd ition sand oper ate
th eequipm entwhen theveh icleis stati on-
ary.
You must observeth elegal require men tsfor
th eco unt ryinwhic hyou arecurren tly driv ing
when operating theon -board comput er. G
WAR
NING
If th eins trumen tclus terhas faile dor mal-
fun ction ed, you may notrec ogn izefunction
res trict ion sin syst ems relevantto saf ety.
The oper ating safetyof your vehiclemay be
impa ired.Ther eis aris kof an acc iden t.
Dr ive oncar eful ly.Hav eth eveh iclech ecke d
at aqualif iedspec ialist workshop immedi-
ate ly.
The on-board comput eronlysho wsmes sage s
or warn ingsfrom certain syst ems inthemult i-
fun ction disp lay.You should there foremak e
sur eyour vehicleis oper ating safely atall
ti mes .
If th eoper ating safetyof your vehicleis
impa ired,pull overas soo nas itis saf eto do
so. Con tacta qualif iedspec ialist workshop.
Fo ran ove rview, seetheins trumen tpan el
illust ration (Ypage 32). Disp
laysand oper ation Inst
rumen tclus terligh ting
The lightsen sor intheins trumen tclus terauto -
mat icallyco ntrol sth ebrig htne ss ofthemult i-
fun ction disp lay.Indayligh t,th edisp lays inthe
ins trumen tclus terare notillum inated. The
lighting intheins trumen tclus ter, in the
disp lays andtheco ntrol sin theveh icleint erior
can beadjust edusin gth ebrig htne ss control
kn ob.
The brightne ss control knob isloc ate don the
bot tom leftof theins trumen tclus ter
(Y page 32).
X Turn thebrig htne ss control knob clockwise
or count er-clo ckwise.
If th eligh tswit chisset tothe0058, 0060or
0058 position ,th ebrig htne ss isdepe ndent
upon thebrig htne ss oftheambi entligh t. Sp
eedom eterwith segm ents
The spee dometer ison lydivi ded intoseg -
men tsinveh icles wit hAc tive Distanc eAs sist
DI ST RONI C.
The segmen tsinthespee dometer ind icat e
whic hspee dran geisavaila ble.
R Ac tive Distanc eAs sist DIST RONI Cact ivat ed
(Y page 158):
On eor two segmen tsintheset spee dran ge
ligh tup.
R Ac tive Distanc eAs sist DIST RONI Cdet ects a
veh iclein fron tmov ingmor eslow lythan the
st ore dspee d:
The segmen tsbet ween thespee dof the
veh iclein fron tand thest ore dspee dligh t
up. Ta
chom eter
! Do
notdriv ein theove rrevv ing range, as
th is co uld damag eth een gin e.
The redbandin thetac hom eter ind icat esthe
en gin e's overrevv ing range.
The engin eis limi tedwit hin aran getopro tect
th een gin ewhen thered bandis reac hed. Out
sidetem peratur edis pla y
You should pay spec ialattention toroad con-
dit ion swhen tempe ratures arearoun dfreez ing
poin t.
Bea rin min dth at theout side tempe rature dis-
play indicat esthete mpe rature meas uredand
does notrec ord theroad tempe rature. 188
Disp
laysand oper ationOn- boar dcomp uter and displa ys

The
selected unitofmeasurement fordistance
applies to:
R Digital speedometer inthe Trip Trip
menu
R Odometer andthetrip odometer
R Trip computer
R Current fuelconsumpt ionand approximate
range
R Navigation instructions inthe Navi Navi
menu
R Cruise control
R Act ive Distan ceAssist DISTRONIC
R ASS YST PLUS service intervaldisplay
Switching theadditional speedometer
on/off
If the additional speedometer isswitched on,
the speed isshown inthe status barinthe
multifunct iondisplay instead ofthe outside
temperat ure. The
speed display 0043isan alternativ eto your
speedometer.
X Press the0059 or0065 button onthe steer-
ing wheel toselect theSett. Sett.
menu.
X Press the0064 or0063 button toselect the
Instrument Cluster Instrument
Clustersubmenu.
X Press 0076toconf irm.
X Press the0064 or0063 button toselect the
Speedometer [km/h] Speedometer
[km/h]orSpeedometer Speedometer
[mph] [mph]
function.
You willsee theselected setting: On On
orOff Off.
X Press the0076 button tosave thesetting.
Selecting permanent display
The Permanent Display: Permanent
Display:functionallows you
to choose whether themultifunct iondisplay
alway sshows theoutside temperat ureorthe
speed. The
speed display
0043isan alternativ eto your
speedometer.
X Press the0059 or0065 button onthe steer-
ing wheel toselect theSett. Sett.
menu.
X Press the0064 or0063 button toselect the
Instrument Cluster Instrument
Clustersubmenu.
X Press 0076toconf irm.
X Press the0064 or0063 button toselect the
Permanent Display: Permanent
Display:function.
The current setting, Outside Temperature Outside
Temperature
or Speedometer [km/h] Speedometer
[km/h]/Speedomete r Speedometer
[mph] [mph],
appears.
X Press the0076 button tosave thesetting.
Lights Switching
thedayt imerunning lamps
on/off
This funct ionisnot availabl ein Canada.
X Press the0059 or0065 button onthe steer-
ing wheel toselect theSett. Sett.
menu.
X Press the0064 or0063 button toselect the
Light Light
submenu.
X Press 0076toconf irm.
X Press the0064 or0063 button toselect the
Daytime RunningLights Daytime
RunningLightsfunction.
If the Daytime RunningLights Daytime
RunningLightsfunction
has been switched on,the multifunct iondis-
play shows thecone oflight andthe0086
symbol inorange.
X Press the0076 button tosave thesetting.
Further informationondaytime runninglamps
(Y page 102).
Vehicle <002400460057004C005900440057004C0051004A001200470048004400460057
004C005900440057>
ingthe automat ic
door locking mechanism
X Press the0059 or0065 button onthe steer-
ing wheel toselect theSett. Sett.
menu.
X Press the0064 or0063 button toselect the
Vehicle Vehicle
submenu. Menus
andsubmenus
199On-boardcomputerand display s Z

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions X
Dr ive oncar eful ly.
X Vis itaqualif iedspecialistwor kshop immediat ely. 00E5
Cur rently Unavaila‐ Cur
rently Unavaila‐
ble SeeOperator' s ble
SeeOperator' s
Man ual Man
ual ES
P®
,BA S,theHO LD function and hillstart assi stare tempo rarily
unav ailable .
Ac tive Brake Assis tmay havealso failed.
In addit ion,th e00E5 and00BB warninglamp smay lightup inthe
ins trumen tclus ter.
AT TENTI ON ASSIST isdeac tivat ed.
The self-diagn osis function mightnotbe compl ete, for exampl e.
G WAR
NING
The brak esyst emcontinu estofun ction norm ally, butwithout the
fun ction slist ed abov e.
The brak ingdist ancein an eme rgencybrak ingsituati oncan thus
inc reas e.
If ES P®
is no toper ational, ESP®
is unab leto stabiliz eth eveh icle.
The reisan increas edriskof skiddin gand anacc iden t.
X Caref ullydrive asuit able distance,mak ingslightsteer ing mov e-
men tsat aspe edabov e12 mph (20km/ h).
If the displ aymessage disappea rs,the functions mentioned
above areavai lableaga in.
If the multifu nctiondisplaystill shows thedispl aymessag e:
X Drive oncareful ly.
X Visit aqua lifiedspecia listworkshop immediately. 00E5
Inoperative See Inoperative
See
Operator's Manual Operator's
Manual ESP
®
,BAS, theHOLD function andhillstart assistare unava ilable
due toamalfu nction.
Active BrakeAssist mayhave alsofailed.
In addi tion, the00E5 and00BB warning lampsmay lightup inthe
instrument cluster.
ATTENTION ASSISTis deactiva ted.
G WARNING
The brake system continues tofunction normally,but withou tthe
functions listedabove.
The braking distance inan emergency brakingsituationcanthus
increase.
If ESP ®
is not opera tional, ESP®
is unabl eto stabil izethe vehicle .
There isan increased riskofskidding andanaccident.
X Drive oncareful ly.
X Visit aqua lifiedspecia listworkshop immediately. 206
Di
splay message sOn-boardcompu terand displays

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 007A
0025
00E5 Ino perativeSee Ino
perativeSee
Ope rator'sMan ual Ope
rator'sMan ual EB
D(elec tron icbrak efor ce dist ribution),AB S,BA S,ES P®
,th e
HO LD function and hillstart assi stare notavail able duetoamal-
fun ction .
Ac tive Brake Assis tmay havealso failed.
A warn ingtone soun ds.
In addit ion,th e00E5, 00BBand0025 warninglamp smay lightup in
th eins trumen tclus ter.
G WAR
NING
The brak esyst emcontinu estofun ction norm ally, butwithout the
fun ction slist ed abov e.The fron tand rear whee lsco uld there fore
loc kif you performafull brak eapplic ation,for exampl e.
The steer abilit yand brak ingcharac teris tics may besev erelyaff ec-
te d. The brak ingdist ancein an eme rgencybrak ingsituati oncan
inc reas e.
If ES P®
is no toper ational, ESP®
is unab leto stabiliz eth eveh icle.
The reisan increas edriskof skiddin gand anacc iden t.
X Dr ive oncar eful ly.
X Vis itaqualif iedspecialistwor kshop immediat ely. 0049
(USA
on ly) 0024 (Canada
on ly)
Tur nOn the Igni‐ Tur
nOn the Igni‐
tio nto Release tio
nto Release
the ParkingBra ke the
ParkingBra ke The
red0049 (USAon ly) or0024 (Canadaonly) ind icat orlamp lights
up.
You attemp tedto release theelec tric park ingbrak ewhile theign i-
ti on was switched off.
X Sm artKey :tur nth eSm artKey topos ition 0047intheign ition lock.
X KEYLESS -GO: swit chon theign ition . 0049
(USA
on ly) 0024 (Canada
on ly)
Ple ase Release Ple
ase Release
Par kingBra ke Par
kingBra ke The
red0049 (USAon ly) or0024 (Canadaonly) ind icat orlamp
flas hes and awarn ingtone soun ds.Aco nd ition forauto matic
rel ease oftheelec tric park ingbrak eis no tfulf illed (Ypage 148).
You aredrivin gwit hth eelec tric park ingbrak eapplie d.
X Releas eth eelec tric park ingbrak eman ually. The
red0049 (USAon ly) or0024 (Canadaonly) ind icat orlamp
flas hes and awarn ingtone soun ds.
You areusin gth eelec tric park ingbrak efor eme rgencybrak ing
(Y page 148). 0049
(USA
on ly) 0024 (Canada
on ly)
Par kingBra keSee Par
kingBra keSee
Ope rator'sMan ual Ope
rator'sMan ual The
yellow 0024warninglamp lightsup.
The electric park ingbrak eis malf unction ing .
To apply :
X Swi tchth eign ition off.
X Pre sstheelec tric park ingbrak ehan dleforatleast tensec onds.
X Sh ift thetrans mis sion topos ition 005D.
X Con sult aqualif iedspecialistwor kshop . Disp
laymes sage s
207On -boar dcomp uter anddi sp lay s Z

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions The
yellow 0024warninglamp andthered 0049 (USAon ly) or0024
(Can adaonly) ind icat orlamp lightup.
The electric park ingbrak eis malf unction ing .
To releas e:
X Swi tchoff theign ition and turnit bac kon .
X Releas eth eelec tric park ingbrak eman ually.
or X Releas eth eelec tric park ingbrak eauto matically(Y page 146).
If th eelec tric park ingbrak est ill can notbe release d:
X Do notdri ve on.
X Con sult aqualif iedspecialistwor kshop . The
red0049 (USAon ly) or0024 (Canadaonly) ind icat orlamp
flas hes and theyellow 0024warninglamp lightsup.
The electric park ingbrak eis malf unction ing .
To releas e:
X Swi tchoff theign ition and turnit bac kon .
X Releas eth eelec tric park ingbrak eman ually.
To apply :
X Swi tchoff theign ition and turnit bac kon .
X Ap ply theelec tric park ingbrak eman ually.
If th ered 0049 (USAon ly) or0024 (Canadaonly) ind icat orlamp
co ntinu estoflas h:
X Do notdri ve on.
X Se cur eth eveh icleagain strol lingaway (Ypage 327).
X Sh ift thetrans mis sion topos ition 005D.
X Turn thefron twhee lstoward sth ecur b.
X Con sult aqualif iedspecialistwor kshop . 208
Disp
laymes sage sOn -boar dcomp uter anddi sp lay s

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions The
yellow 0024warninglamp lightsup. The red0049 (USAon ly)
or 0024 (Canadaonly) ind icat orlamp flashes forabout tensec onds
aft ertheelec tric park ingbrak ehas been applie dor release d.Itth en
goe sout orrem ainslit .
The electric park ingbrak eis malf unction ing .
X Swi tchoff theign ition and turnit bac kon .
X Ap ply theelec tric park ingbrak e.
If it is no tpos sibleto apply theelec tric park ingbrak e:
X Sh ift thetrans mis sion topos ition 005D.
X Vis itaqualif iedspecialistwor kshop .
If it is no tpos sibleto release theelec tric park ingbrak eman ually:
X Releas eth eelec tric park ingbrak eauto matically(Y page 146).
If th eelec tric park ingbrak est ill can notbe release d:
X Con sult aqualif iedspecialistwor kshop . The
yellow 0024warninglamp lightsup. Ifyou man ually apply or
rel ease theelec tric park ingbrak e,thered 0049 (USAon ly) or0024
(Can adaonly) ind icat orlamp flashes .
The electric park ingbrak eis malf unction ing .It is no tpos sibleto
apply theelec tric park ingbrak eman ually.
X Sh ift thetrans mis sion topos ition 005Dastheelec tric park ingbrak e
is no tapplie dauto matically.
X Vis itaqualif iedspecialistwor kshop . 0049
(USA
on ly) 0024 (Canada
on ly)
Par kingBra keInop‐ Par
kingBra keInop‐
era tive era
tive The
yellow 0024warninglamp lightsup. The red0049 (USAon ly)
or 0024 (Canadaonly) ind icat orlamp flashes forabout tensec onds
aft ertheelec tric park ingbrak ehas been applie dor release d.Itth en
goe sout orrem ainslit .
The electric park ingbrak eis malf unction ing ,e. g. bec ause ofove r-
vol tag eor und ervoltage.
X Remo vethecaus efor theove rvolt age orund ervoltage, e.g. by
ch arg ing thebat tery or res tarting theen gin e.
X Ap ply orrelease theelec tric park ingbrak e.
If it rem ainsimp ossible toapply orrelease theelec tric park ing
brak e:
X Swi tchoff theign ition and turnit bac kon .
X Ap ply orrelease theelec tric park ingbrak e.
If th eelec tric park ingbrak est ill can notbe release d:
X Con sult aqualif iedspecialistwor kshop .
If th eelec tric park ingbrak est ill can notbe applie d:
X Vis itaqualif iedspecialistwor kshop . Disp
laymes sage s
209On -boar dcomp uter anddi sp lay s Z

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions The
yellow 0024warninglamp lightsup and thered 0049 (USA
on ly) or0024 (Canadaonly) ind icat orlamp flashes .
It is no tpos sibleto apply theelec tric park ingbrak eman ually.
X Sh ift thetrans mis sion topos ition 005D.
X Vis itaqualif iedspecialistwor kshop . 0027
(USAon ly)
004D (Canadaonly)
Che ckBrakeFluid Che
ckBrakeFluid
Lev el Lev
el The
reisno ten ough brakefluid inthebrak efluid reservoir.
A warn ingtone soun ds.The 0027 (USAon ly) or004D (Canadaonly)
warn inglamp sin theins trumen tclus termay alsolightup.
G WAR
NING
The brak ingeffectmay beimp aire d.
The reisaris kof an acc iden t.
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.Do notco ntinu edri vin g
und erany circum stanc es.
X Se cur eth eveh icleagain strol lingaway (Ypage 145).
X Con sult aqualif iedspecialistwor kshop .
X Do notadd brak efluid .This does notco rrec tth emalf unction . 0026
Che ckBrakePad Che
ckBrakePad
Wea r Wea
r The
brak epads /linin gshav ereac hedtheir wear limit.
X Vis itaqualif iedspecialistwor kshop . 0053
Ino perative Ino
perative Malf
unction ofoneor mor emain function sof theMer cedes mecon-
ne ct syst em.
X Vis itaqualif iedspecialistwor kshop . Mer
cedesmecon‐ Mer
cedesmecon‐
nec tSer vicesLim i‐ nec
tSer vicesLim i‐
ted SeeOperator' s ted
SeeOperator' s
Man ual Man
ual Se
rvice limi ted.
Malf unction ofoneor mor emain function sof theMer cedes mecon-
ne ct syst em.
X Obs erveth eno teson diagn ostics conn ection (Ypage 27).
X Vis itaqualif iedspecialistwor kshop . 210
Disp
laymes sage sOn -boar dcomp uter anddi sp lay s

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 0075
SRS Malfunction SRS
Malfunction
Ser viceReq uired Ser
viceReq uired The
restrain tsyst emismalf unction ing .The 0075 warninglamp also
ligh tsup intheins trumen tclus ter.
G WAR
NING
The airbags orEm erg ency Ten sion ingDevic es may either betrig-
ger eduninten tion ally or,intheeve ntofan acc iden t,may notbe
tr igge red.
The reisan increas edriskof injury.
X Vis itaqualif iedspecialistwor kshop immediat ely.
Fur ther inform ation about theres train tsyst em(Ypage 39). 0075
Fro ntLeftMal fun c‐ Fro
ntLeftMal fun c‐
tio nSer vice tio
nSer vice
Req uired Req
uired orFront Fro
nt
Rig htMalfunction Rig
htMalfunction
Ser viceReq uired Ser
viceReq uired The
restrain tsyst emismalf unction ing atthefron ton thelef tor
rig ht.The 0075 warninglamp alsolightsup intheins trumen tclus -
te r.
G WAR
NING
The airbags orEm erg ency Ten sion ingDevic es may either betrig-
ger eduninten tion ally or,intheeve ntofan acc iden t,may notbe
tr igge red.
The reisan increas edriskof injury.
X Vis itaqualif iedspecialistwor kshop immediat ely. 0075
Rea rLef tMal func‐ Rea
rLef tMal func‐
tio nSer vice tio
nSer vice
Req uired Req
uiredorRea r Rea
r
Rig htMalfunction Rig
htMalfunction
Ser viceReq uired Ser
viceReq uired The
rear left-han dor right-hand restrain tsyst emismalf unction ing .
The 0075 warninglamp alsolightsup intheins trumen tclus ter.
G WAR
NING
The airbags orEm erg ency Ten sion ingDevic es may either betrig-
ger eduninten tion ally or,intheeve ntofan acc iden t,may notbe
tr igge red.
The reisan increas edriskof injury.
X Vis itaqualif iedspecialistwor kshop immediat ely. 0075
Lef tSid eCur tain Lef
tSid eCur tain
Air bag Malfunction Air
bag Malfunction
Ser viceReq uired Ser
viceReq uired
or Rig htSideCur ‐ Rig
htSideCur ‐
tai nAir bag Mal‐ tai
nAir bag Mal‐
fun ctionService fun
ctionService
Req uired Req
uired The
left-han dor right-hand window curtainair bag ismalf unction ing .
The 0075 warninglamp alsolightsup intheins trumen tclus ter.
G WAR
NING
The leftor right win dow curtainair bag may either betrigge redunin-
te nt ion ally or,intheeve ntofan acc iden t,may notbe trigge red.
The reisan increas edriskof injury.
X Vis itaqualif iedspecialistwor kshop immediat ely. 212
Disp
laymes sage sOn -boar dcomp uter anddi sp lay s

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 0049
Che ckFrontLef t Che
ckFrontLef t
Sid emarkerLam p Sid
emarkerLam por
Che ckFrontRight Che
ckFrontRight
Sid emarkerLam p Sid
emarkerLam p The
fron tlef t-han dor fron trig ht-hand side markerlamp isfault y.
X Vis itaqualif iedspecialistwor kshop . 0049
Che ckRearLef t Che
ckRearLef t
Sid emarkerLam p Sid
emarkerLam por
Che ckRearRig ht Che
ckRearRig ht
Sid emarkerLam p Sid
emarkerLam p The
rear left-han dor rear right-hand side markerlamp isfault y.
X Vis itaqualif iedspecialistwor kshop . 0049
Che ckLeftDay time Che
ckLeftDay time
Run ningLig ht Run
ningLig ht or
Che ckRightDay‐ Che
ckRightDay‐
tim eRun ningLig ht tim
eRun ningLig ht The
leftor right-hand daytimerunninglamp isfault y.
X Chec kwhet heryou arepermittedto rep lace thebulb yours elf
(Y page 106).
or X Vis itaqualif iedspecialistwor kshop . 0049
Mal functionSee Mal
functionSee
Ope rator'sMan ual Ope
rator'sMan ual The
exterio rligh ting ismalf unction ing .
X Vis itaqualif iedspecialistwor kshop . 0049
Aut oLam pFun cti on Aut
oLam pFun cti on
Ino perative Ino
perative The
lightsen sor isdef ective.
X Vis itaqualif iedspecialistwor kshop . 0049
Swi tch OffLights Swi
tch OffLights The
lightsare still swit ched on when youleaveth eveh icle. Awarn -
ing tone also soun ds.
X Turn theligh tswit chtothe0058 position . 0049
Swi tch OnHeadla mps Swi
tch OnHeadla mps You
aredrivin gwit hlow- beam headlampsswit ched off.
X Turn theligh tswit chtothe0058 or0058 position . Disp
laymes sage s
217On -boar dcomp uter anddi sp lay s Z

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 00AF
Key NotDetect ed Key
NotDetect ed
(whit edisp laymes sage ) The
SmartKey iscur ren tly und etec ted.
X Chan getheloc ation oftheSm artKey intheveh icle.
If th eSm artKey still can notbe det ected:
X Ope rateth eveh iclewit hth eSm artKey intheign ition lock. 00AF
Rem ove 'Start'But ‐ Rem
ove 'Start'But ‐
ton andInsert Key ton
andInsert Key The
SmartKey isco ntinu ally undetec ted.
The SmartKey detection fun ction has ate mpo rarymalf unction oris
fault y.Awarn ingtone also soun ds.
X Inser tth eSm artKey intoth eign ition lockand turnit to the
des iredpos ition .
X Vis itaqualif iedspecialistwor kshop . Wa
rning and indicat orlam psintheinst rume ntclus ter Gene
ralnot es
So me syst ems carryout aself -diagn osis when theign ition isswit ched on.The refore ,som eind i-
cat orand warn inglamp smay lightup orflas hte mpo rarily. This beha vioris no n-cr itical .
The seind icat orand warn inglamp son lyind icat eamalf unction ifth ey ligh tup orflas haft erstart -
ing theen gin eor whils tdri vin g. Sa
fet y
Sea tbelt s Wa
rning/
ind icat or
lam p 00510051
Sign altype
Poss iblecauses/co nsequences and 0050 0050
Solu tions 00E9
0051
Afteren gin est art ,th ered seat beltwarn inglamp lightsup for sixsec onds.
The seat beltwarn inglamp remindsth edri ver and fron tpass enger tofas ten
th eir seat belts.
X Fas tenyour seatbelt(Ypage 43). 00E9
0051
Afterst art ing theen gin e,thered seat beltwarn inglamp lightsup. Inaddit ion,
a warn ingtone soun dsfor uptosix sec onds.
The driver 'sseat beltisno tfas tene d.
X Fas tenyour seatbelt(Ypage 43).
The warn ingtone ceases . Wa
rning andin dicat orlam psinthe instrume ntclus ter
231On -bo ard com puteran ddis pla ys Z