Booklet  3.2  T ips  a nd  Advice 
Power  steering 
011  vehicles  with pow er  stee ring , th e of power  ass ista  nee  is  regu lated  e lec
t roni call y acco rdi ng  to vehicle  speed, stee rin g wheel  torque and  stee rin g w hee l 
angle. 
Th e power  assis tance prov ided  in the  power 
s te erin g sys te m  is  not  hydrau lic, but m e
c h ani ca l  usin g  an  elec tric  mot or.  The  adva n
t a ge s of  this steer ing  system  includ e th e fact  th at 
n o  hydra ulic co mponents  such  as hoses,  o il co n
t a in ers , 
o r fl uid s  are  re quired. 
Fu rth ermo re , t his  is co nsiderable  de crease  in 
e n ergy  req uir e d . T he e lec trome chani ca l s tee rin g 
sys te m . in  contras t to  th e hydrau lic sys te m 
(w hich  re qu ires  a  co nstant  flo w of  fluid ), only 
co nsume s energy  when  th e  ve hicle  is  actua lly 
be ing stee re d. 
T he  fu el consump tio n  i s re du ced  as a res ult. 
If th e electro mec han ica l  p owe r stee ring sys te m 
fa ils,  the pow er a ssis ted  stee ring system 
w ill still 
work.  If  th e  engin e is  sw itch ed  off,  the pow er  s
teer ing  does no t fun ctio n and  th e steer ing 
wh eel is  ve ry  hard  t o tu m . 
WAR NING 
Turning  th e  s teer ing whe el is  very w hen  t he  power  s tee rin g sys tem  is n ot 
work ing  and it is  harder  to co ntrol  the veh icl e. 
•  Neve r le t t he  veh icle  coast  with  th e  engine 
swit ch ed  off. 
Do  no t kee p th e  steer ing wheel  turned  all the 10 left  or righ t fo r m ore  than  15  seco nds 
w hen  th e e ngin e  is  runnin g. Doin g so  co uld 
damag e th e  powe r steer ing 
Data 
H eco rder  (EDH ),  in sta lled  by so me manufa c
tur ers 
the  exp ress  purpo se of ca pturing  data 
fo r retr ieva l aft er an  acci den t or  cra sh  eve nt. 
are so metimes  called  "cras h recorders". 
So me s tat e laws  res tr ict  t he  re tri eva l or  down 
loadin g of  da ta  sto re d  by  ED 
that  were  in
s ta lled  in a  vehicle  for  the exp ress  p urpose  of re
tr iev ing  dat a  af te r  an  acc ident  or  crash  event 
wit hou t th e Owner's  conse nt. 
your  vehicl e is  not  equipped  with an it  is  equipp ed  with number  of e lec tro nic 
contro l modu les  for  variou s  vehicle  sys te m s 
s u ch  as,  fo r ex am ple . e ngine  function,  em iss io n 
6  Smart  t echno logy 
co ntrol,  as we ll as  fo r th e  airbags  and safe ty 
be lts. 
The se elec tronic  con trol  mod ules  also 
ve
hi cle-re late d  dat a dur in g  nor mal  ve hicle  ope ra
ti on  for  diag nos tic and  re pair purp oses.  The  re
cordi ng  capaci ty  of  the e lec tron ic  co ntro l mod 
ul es  is limit ed  to  data  (n o so und  is record ed ) a nd 
on ly  a  small  amo unt  of data  is ac tually reco rde d 
ove r a  very  limited  p eriod  of tim e and  stor ed 
a  sys te m  fau lt or o th er co ndition is se nse d by co ntro l un it.  So me of dat a th en  sto red 
m ay  re late  to ve hicle  sp ee d, direc tion,  braking  as 
well a s res traint  system  use and performan ce in 
th e  eve nt of a  cra sh  or  o th er  conditi on. S to red 
c an  only  be  rea d and  downloade d wit h spe
cia l