ECO mode MERCEDES-BENZ C-CLASS COUPE 2021 Owner's Guide

Cha
nging awheel No
teson selecting, installing andreplac ing
tir es *
NO
TEMercede s-AMG vehicles #
Obser vetheno tesin theSupplement .
Yo uco uld other wise failto recogni ze
da ngers. &
WARNIN GRisk ofacci dent dueto inc or‐
re ct dimensi onsofwhe elsand tires
If whe elsand tires ofthewr ong size are
ins talled, thewheel brak es orwheel suspen‐
sion componen tsma ybe damag ed. #
Alw aysre place wheels andtires wit h
th ose that fulf illthespecif ication sof
th eor iginal part.
When replacing wheels, makesur eto fit th e
cor rect:
R Desi gnati on
R Mod el Whe
nre placing tires, mak esur eto ins tallth e
cor rect:
R Desi gnati on
R Manuf actu rer
R Model &
WARNIN GRisk ofinju rythro ugh exceed‐
ing thespecif iedtireload-bear ingcapa‐
city ortheper missible speedrating
Ex cee ding thespecif iedtireload rating or
th eper missible speedrating mayle ad totire
da ma geand tothetir es bur sting. #
Ther efor e, onl yuse tiretypes andsizes
appr ovedfo ryo ur vehicle model. #
Obser vethetir eload rating andspee d
ra ting requ ired foryo ur vehicle. *
NO
TEVehicle andtiredamag eth ro ugh
tir etyp esand sizes that have notbe en
ap prove d Fo
rsaf etyre ason s,on lyuse tires, wheel s
and accessories whic hha ve been speciall y
appr ovedby Mer cedes-Ben zfo ryo ur vehicle.
These tires arespecially adaptedto thecon ‐
tr ol systems, suchas ABS ,ES P®
and
4MA TIC,andmarkedas follo ws :
R MO =Mer cedes-Ben zOr iginal
R MOE =Mer cedes-Ben zOr iginal Extended
(r un-f lattireonl yfo rcer tain wheels)
R MO1 =Mer cedes -Benz Original (onlycer ‐
ta in AMG tires)
Cer tain charact eristic s,suc has han dling,
ve hicle noise emissions, consumption, etc.
ma yot her wise beadv ersely affect ed. Fur‐
th er mor e,other tiresizes could result inthe
tir es rubbing agains tth ebody andaxle com‐
ponen tswhen loaded. Thiscould result in
damag eto thetir eor theve hicle. Wheels
andtires 37
7

*
NO
TEPrema ture wearthro ugh unleaded
re gular gasoline Un
leade dre gular gasoline cancause the
engine towe armor equ ickl yand impair lon‐
ge vity and perform anc e.
If unle aded premium grade gasoline is
una vailable andyouha ve torefuel using
unle adedre gular gasoline: #
Onlyfill th efuel tank tohalf fullwith
unleaded regular gasoline andrefill as
soon aspossible withunleaded pre‐
mium grade gasoline. #
Donotdr ive at themaximum design
speed. #
Avoid sudden accelerationengine
speeds over3000 rpm. Fu
rther information onfuel isavailable atthefo l‐
lo wing locations:
R ataga sst atio n
R ataqu alif ied spec ialistwo rkshop
R onthehtt ps:/ /www .mbusa.c om(USAonl y) No
teson add itivesingasoline
Obser vetheno teson oper ating fluids
(/ page39 1).
* NO
TEDama gefrom use ofunsu itabl e
add itives Ev
en smal lamou ntsofthewr ong additiv e
ma ylead tomalfu nctions occurring. #
Only addcle ani ng additiv es recomme n‐
ded byMer cedes-Ben zto thefuel. Mer
cedes- Benzrecomme ndsthat youuse
br and -name fuels withaddit ives.
In som eco unt ries, thefuel available mayno t
ha ve suf ficie ntadditiv es. Residue could buildup
in thefuel injec tionsystem asare sult. Inthis
case, incon sult ation withan aut hor ized
Mer cedes -Benz Cent er,mix thefuel withth e
cle ani ng additiv ere comme ndedbyMer cedes-
Benz .Obser vetheno tesand mixing ratio sind i‐
cat edon theta nk .
Ta nk cont entand reser vefuel
The totalcapac ityofthefuel tank mayva ry,
dependin gon theve hicle equipment. Capacity Model
Total cap acity
Al lmo dels 17.4 gal(66. 0liter s) Model
ofwhic hre ser ve
fuel
All model s1 .8gal(7 .0 liter s) Engine
oil No
teson engine oil
Obser vetheno teson oper ating fluids
(/ page39 1). 39
4
Tech nica lda ta

*
NO
TEEngi nedama gecau sed byan
inc orrect oil filt er ,inc orrect oil oraddi‐
tiv es #
Donotus eengi neoilsor oil filt er sot her
th an those whic hmee tth especif ica‐
tion sneces saryfo rth epr escr ibed
ser vice interva ls. #
Donotalt er theengine oiloroil filt er in
or der toachie velong erchang eint erva ls
th an presc ribed. #
Donotuse additiv es. #
Have theengine oilchang edafte rth e
pr escr ibed interva ls. Mer
cedes -Benz recomme ndsthat youha ve the
oil chang ecar ried out ataqu alif ied spec ialist
wo rkshop. Quality
andcapacity ofengine oil
MB-F reigabe orMB- Appr oval Gasol
ineeng inesE ngineoilspecif ica‐
tions
All models 229.51,229 .52,
229 .61
229 .71* *
Re comme ndedforlo we stpossible fuelcon‐
sum ption (lowe stSA Evis cos ityclassineach
case ;obs erve possible restrictions ofthe
appr ovedSA Evis cos ityclasse s).
To achie vethelowe stpossible fuelconsum ption,
it is recomme ndedtouse theengine oilspecif i‐
cation smar kedin theta ble forth elowe stSA E
viscosi tyclass .Po ssible restrictions ofthe
appr ovedSA Evis cos ityclasse smu stbe
obser ved.
The follo wing values referto an oilchang e,
inc ludin gth eoil filt er . Re
plac eme ntamoun t Mode
lR eplacement
am ount
C 30 07 .0US qt(6.6 lite rs)
C 30 04MA TIC 6.3US qt(6.0liter s) No
teson brak efluid Obser
vetheno teson oper ating fluids
(/ page39 1). &
WARNIN GRisk ofan acci dent dueto
va por pockets form ing inthebr ak esy s‐
te m
The brak efluid constantly absor bsmoi stur e
fr om theair .This lowe rstheboiling pointof
th ebr ak efluid. Ifth eboiling pointistoolow,
va por pockets ma yfo rm inthebr ak esy stem
when thebr ak es areapplied hard.
This causes thebr aking effect to be
im pair ed. Te
ch nica lda ta 395

#
Have thebr ak efluid rene we dat the
specif iedinterva ls. Ha
ve thebr ak efluid regular lyreplaced ata
qu alif ied spec ialistwo rkshop.
Onl yuse abr ak efluid appr ovedby Mer cedes-
Benz accor dingtoMB-F reigabe orMB- Appr oval
33 1.0. Co
olan t No
teson coolant
Obser vetheno teson oper ating fluids
(/ page39 1). &
WARNIN G‑Ri sk offire and injuryfrom
ant ifreez e
If ant ifreez ecom esintocon tact with hot
com ponent partsintheengine compart‐
ment ,it ma yignit e. #
Allo wtheengine tocool down before
ad ding anti freeze . #
Makesur eth at no ant ifreez espills out
ne xt to thefiller open ing. #
Thor oughl yclean offan yant ifreeze
fr om com pone ntpar tsbef orest ar tin g
th eve hicle. *
NO
TEDama gecau sed byinc orrect cool ‐
ant #
Onlyus ecool antthat has been pre‐
mix edwithth ere qu ired ant ifreeze pro‐
te ction.
Inf ormati ononcool antisavailable atthefo l‐
lo wing locations:
R IntheMer cedes- BenzSpecif ication sfo r
Oper ating Fluids 310.1
- Athttps: //bevo.mer cedes-b enz.com
- IntheMer cedes- BenzBeVoapp
R Ataqu alif ied spec ialistwo rkshop *
NO
TEOverhea ting athigh outsid ete m‐
per atur es If
an inapp ropr iat ecoolant isused, the
engine cooling system isno tsuf ficie ntlypr o‐ te
cted agains tov erheating andcorrosion at
high outside temp eratur es. #
Alw aysuse coolant approvedby
Mer cedes-Ben z. #
Obser vetheins truction sin the
Mer cedes-Ben zSpecif ications forOper‐
ating Fluids310.1. Ha
ve thecoolant regular lyreplaced ataqu alif ied
spec ialistwo rkshop.
Pr opor tionofantifr eezeconcen trat ein the
engine cooling system:
R Aminimum of50% (antifr eezeprotect ion
do wn toappr oximat ely-3 5°F (-37°C))
R Amaxim umof55% (antifreeze protect ion
do wn to-49°F (-45°C))
Co olant capacity Mode
lC apacity
All mode ls 9.5USqt(9.0 liter s) 396
Tech nica lda ta

Light
s Displa
ymess ages
Possible causes/conseq uencesand0050 0050
Solutions
: Check LeftLow
Beam (exa mp le) *T
hecor responding lightsourceisdef ectiv e. #
Drive on car efully . #
Visit aqu alif ied spec ialistwo rkshop immediat ely.
% LED lightsour ces: thedispla ymessag efo rth ecor responding lightappea rsonl ywhen allthelight- emitt ing
diodes inthelight arefa ulty .
: Malf unctionSee Oper a-
to r’s Man ual *T
heexterior lighting ismalfunct ioning. #
Consult aqu alif ied spec ialistwo rkshop.
: Automatic HeadlampMode
Inoperative *T
helight sensor ismalfunctionin g. #
Consult aqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 40
7

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
ç Suspended *I
fyo udepr esstheaccelera torpeda lbe yond theAc tiveDis tance AssistDIS TRONI Cse tting ,th esy stem will switc h
to passiv emode (/page16 4).
ç Of f *A
ctiv eDis tan ceAssi stDIS TRONI Cwa sdeactiv ated. Ifawa rning tone also sou nds, ActiveDis tance Assist
DIS TRONI Cha sde acti vatedaut omatic ally(/ page16 7).
Active Distance AssistCu r-
rentl yUna vailab leSee
Ope rator' sMa nua l *A
ctiveDis tan ceAssi stDIS TRONI Cis temp orarily una vailable.
The ambien tcon dition sar eouts idethesy stem limits (/page16 4).
As soon astheambient conditions arewit hin thesy stem limits, thesy stem will become available again. #
Drive on .
Ac tiveDis tan ceAssist Inop-
erat ive *A
ctiveDis tan ceAssi stDIS TRONI Cis ma lfunctio ning.
Ot he rdr ivi ng systems anddriving safetysy stems mayalso bemalfunct ioning. #
Consult aqu alif ied spec ialistwo rkshop.
Act ive Distance AssistNow
Availabl e *A
ctiveDis tan ceAssi stDIS TRONI Cis op erati ona lag ain. #
Swi tchon ActiveDis tance AssistDIS TRONI C(/ page 167). Dis
play messa gesand warning/ indic ator lam ps 425

Ac
tiveLa ne Chang eAssi st<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 173
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>170
Sy stem limits. ........................................1 70
Ad aptiv ecr uise contr ol
see ActiveDis tance AssistDIS TRONI C
Ad aptiv eHighb eamAssist
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>115
Swi tching on/of f.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 116
Ad diti ves
Engi neoil.... ............ ...............................394
Fu el....................................................... 394
Ad diti ves(engine oil)
see Additiv es
Ad diti ves(fuel)
see Fuel
Ad dres sbo ok
see Contacts
Ad jus tingthe balanc e/fader
Ad vanced soundsystem.. ......................3 20
Bur mes ter®
sur round soun dsy stem.. ....3 19
Ad jus tingthe bass,mid- rang eand
tr eble
Bur mes ter®
sur round soun dsy stem ...... 319 Ad
jus tingthe mid- rang e,treble and
bass
Burmes ter®
sur round soun dsy stem ...... 319
Ad jus tingthe sound focus
Bur mes ter®
sur round soun dsy stem ...... 319
Ad jus tingtreb le,mid- rang eand bass
se ttings
Ad vanced soundsystem.. ......................3 20
Bur mes ter®
sur round soun dsy stem ...... 319
ADS PLUS damp ing system
see AIRMA TIC
Ad vanced sound system
Ad jus ting thebalance/f ader............ ..... 320
Ad jus ting treb le,mid -rang eand bass
se tting s.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 320
Ca lling upthesound menu.................... 320
Inf ormation.. .................................... ...... 319
Swi tching volume adjustment on/ off... .3 20
Af ter-sales service center
see ASSYSTPL US
Air bag
Re duced protect ion.. ...............................4 4 Air
distribut ion
Se tting. .................................................. 124
Air freshen ersystem
see Perfume atomiz er
Air inle t
see Air-water duct
Air pressu re
see Tire pressur e
Air suspension
see AIRMA TIC
Air vents
Ad jus ting (front) ............ .........................127
Ad jus ting (rea r)............. .........................127
Air vents
see Airvents
Ai r-condi tioningsystem
see Climat econ trol
Air -recir cula tion mode..............................1 25
Air -water duct
Ke eping free... ....................................... 328
Airbag Activati on........... .....................................36
Fr ont airbag (driver ,fr ont passeng er)......42 46
4
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At
tention assistant
see ATTENTION ASSIST
Au dio mode
Ac tivati ng med iamod e................ .......... 301
Co nnecti ngUSB devic es........... ............302
Cop yrights. ............................................301
Inf ormatio n............ ............................ ....299
Inser ting/r emoving anSD card............. 301
Med iasea rch.. .................................. .....3 06
Ov ervie w.... ....... .............. ..................... .302
Pa use and playbac kfun ction .................3 03
Selecti ngatrac k............ ..................... ..303
Selecti ngplayba ckoptions .................... 303
Tr ac klis t................................................ 303
Au thorized Mercedes- BenzCenter
see Qualif iedspec ialistwo rkshop
Au thorized workshop
see Qualif iedspecialis two rkshop
Au tomatic distanc eco ntr ol
se eAc tiveDis tance AssistDIS TRONI C
Au tomatic drivin glights ........... .................113
Au tomatic engine star t(E CO star t/
sto pfunc tion)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ....136 Au
tomatic engine sto p(E CO star t/
sto pfunc tion)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ....136
Au tomatic fron tpass engerfr on tair‐
bag shutoff
Fu nctio nof theaut omatic front
passeng erfront airbag shutoff........... ..... 45
PA SSENGER AIRBAGind icat orlam p....... 47
Au tomatic fron tpass engerfr on tair‐
bag shutoff
see Automatic front pass engerfront
airb agshut off
Au tomatic mirrorfo lding function
Ac tivati ng/d eactiv ating........... ..............123
Au tomatic trans mis sion
DIR ECT SELEC Tleve r..... .................... .... 140
Dr ive pr ogr am disp la<005C001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ....139
Dr ive pr ogr am<0056001100110011001100110011001100110011001100110011001100110011
001100110011> ....................138
DY NA MIC SELE CTswitc h...................... 138
Eng aging drive po sitio n............ ............. 142
Eng aging neu tral ............. ....................... 141
Eng aging park position .................... ...... 142
Eng aging reve rsege ar. ...................... .....1 41
Kic kdo wn..... ..........................................144
Manual gearshif ting... ............................1 43 St
eer ing wheel paddle shifters.............. 143
Tr ans miss ionposit iondispla y................ 140
Tr ans miss ionposit ions.......................... 140
Au tomatic trans mis sion (problem)
se eTr ans miss ion(problem ) B
Ba ghook .................................................... 105
BA S(Br akeAssis tSy stem). ...................... 157
Batt ery
Smar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 65
Batt ery
see Battery(v ehi cle)
Batt ery(v ehi cle)
Ch <00440055004A004C0051004A0011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 346
Ch arging (Remo teOnline). ..................... 131
No tes... .................................................3 43
No tes(s ta rting assis tance and
ch argin g)............................................... 344
Re placing .............................................. 348
St artin gassis tance <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ........346
Bel t
see Seatbe lt 46
6
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Con
venience opening ..................................7 7
Coolant (engine)
Capacit y.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 396
Ch eckleve l............................................ 327
No tes... ............................................. ....3 96
Co oling
see Clima tecontr ol
Co pyrights
Licen se............................................ ........ 34
Tr ademar ks<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 34
Co rnering light ...........................................1 15
Cr oss Traf fic Aler t..................................... 203
Cr osswind Assist
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 158
Cr uise contr ol
Ac tivati ng........... ...................................163
Butt ons<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>........163
Callin gup aspee d.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 163
Dea ctivating............ ..............................163
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>162
Re quiremen ts:.......................................1 63
Selecti ng........ .............. ......................... 163
Se tting aspe <0048004700110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 163 St
or ing aspeed... .............................. ....1 63
Sy stem limit ations. ........................... ..... 162
Cus tomer Assist ance Center (CAC )........... 28
Cus tomer Relat ions Depar tment. .............. 28 D
Dashboa rd
see Cockpit
Data acquisition
Ve hicle. ............................................. ...... 29
Data impor t/expor t
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 241
Im por ting/e xporting........ ...................... 241
Data protection rights
Dat ast or ag e... ......................................... 32
Data storage
Dat apr otect ion rights ........................ ..... 32
Elect ronic contr oluni ts<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> .29
Online services...... ..................................3 2
Ve hicle. ............................................. ...... 29
Dat e
Se ttin gth etime anddateaut omati‐
call y.... ................................................... 235 Da
ytim eru nning lampmode
see Daytime running lights
Da ytime running lights
Switc hingon/o ff<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 116
Deact ivat ing theala rm (ATA )<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 84
Deale rship
see Qualified speci alist wo rkshop
Dec laration ofconf ormity
Wi reless vehicle component s.................. 25
Dec orativ efo il(cleaning instructions) .... 331
Def initions (tiresand loading ).. ................ 374
Des tinat ion
Ed iting intermed iatedes tinat ions.......... 252
Ed iting thepr ev ious destination s..........2 63
Ext ernal ....... .......................................... 263
Sa ving (current vehicle position)... ........ 262
Sa ving asglobal favo rite <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 263
St or ing amap position. .........................2 63
De stinat ionentr y
En tering a3 wo rdaddr ess..................... 253
En tering aPOI oraddress <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 248
Ent ering anintermed iate des tination.... 252
En tering geo-coor dinates..... ................. 253 47
0
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Swi
tching theaut omatic searchon/
of f.......................................................... 257
Using automatic search<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 257
Gaso line<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 393
Gea rshif tre comm endation......................1 43
Genui nepar ts....... ....................................... 21
Glide mode...... ........................................... 144 H
Handbr ake
see Electr icpar king brak e
Handlin gch aract eristics (unus ual)........ .357
HANDS -FREEACCESS .................................. 73
Hazar dwa rning light s...............................1 14
Hazar doussubstances
Inf ormation ............ .............................. .... 24
Head restra int
Fr ont (adjus tingmechanicall y)................ 90
Re ar (installin g/remo ving).......................9 1
Re ar passe nger com partment
(adj ustin g)...............................................9 1 Head-up
Display
Ad jus ting disp lay el eme nts(on-bo ard
com puter)....... ................................... ... 209
Ad jus ting thebr ightn ess(on-boar d
com puter).. ....................................... ....2 09
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011>208
Menu (on-bo ardcom puter)....... .......... .. 209
Oper ating thememor yfunc tion.............. 99
Se tting theposition (on-boar dcom‐
put er)....................................................2 09
Switc hingon/of f.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 210
Headlam ps
see Automatic driving lights
Headlin er(car e)..... ....................................3 33
Heatin g
see Clima tecontr ol
Hel pcal l
see Mercede s-Benz emergency callsy stem
High beam
Ac tivati ng/d eactiv ating........... ..............113
High-be amflasher .....................................113
High-be amheadlam ps
Ad aptiveHig hbeam Assis t............... ...... 115 Hill
star tassi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 160
HOLD functio n
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 159
Swi tching on/of f.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 159
Hood Opening/clo sing................................... 322
Ho tspo t
Se tting up(Wi-Fi)......... ..........................2 38 I
Iden tificati onplat e
Engine ...................................................390
Re frig er ant....... .....................................3 97
Ve hicle. .................................................3 90
Ign itio n
Switc hingon(Start/S topbutt on).......... 128
Ignit ionkey
see Smar tKey
Imm obiliz er..................................................8 3
Indi catorlam ps
see Warning/ indic ator lam ps
Individ ualdrive pr og ram
Con figur ing.. .......................................... 140 47
8
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