23Loc ks, do ors, windo ws
Fault
If the remote control d oe s not op erate
correctly , it may be due to the follow ing:
zThe range of the rem ote control has
been exceeded.
zRemote control b attery v olta ge is too
lo w . Se e " R em ot e co n t r ol ba t t er y
re place ment".
zFrequent, rep eated opera tion of the
re mote control outside the rece ption
ra nge of the vehicle (e .g. too far from the
vehicle, rem ote control is then no longer
recognised). See "Radio remote control
synchronisation".
zOve rloa ding the ce ntra l locking s yste m
by ope rating at freque nt inte rvals . The
power s upply m ay be interrupted for a
short time. The system is p rote cted by a
fus e in the fuse box – s ee page 1 41 .
zInt e r f er en ce f r o m h i g h er - p o w e r r a di o
waves from other sources.
To eliminate the cause of the fault, consult
a w orks hop.
O pen drive r’s door with key - s ee page 2 6. Rem ote control b atte ry rep lace me nt
Replace the battery in a ccord ance with the
cha pter " Servic e, M ainte nance" on
page 16 5 or w he n the range of the re mote
control be gins to decre ase .
Ope n rem ote c ontrol by ins erting a suitable
scre wdrive r into the notc h below
buttonU and prise apart the two halve s
of the rem ote control.Re move used b attery, tak ing ca re to avoid
touching any of the circ uitry.
Re place battery - batte ry type , se e
pag e 181 - ensuring the new b attery is
insta lled correctly with positive (+) side
facing up.
Close remote control.
Mak e sure that you dispose of old batteries
in accordance with e nv ironme ntal
protec tion regulations.
Ra dio remote control sy nchronisation
After c hanging the battery , unlock the
door with the key in the lock. Inse rting the
key in the ignition switch synchronises the
re mote control.
