Golf L4-1588cc 1.6L DSL SOHC (1987)
Antitheft and Alarm Systems: Technical Service Bulletins
Radio (Heidelberg V) - Making Operational
GROUP
91
NUMBER
88-01
January 4, 1988
MODEL(S):
All
SUBJECT:
Making Heidelberg V Radio
Operational
Supercedes 87-04, November 23, 1987
The Heidelberg VCR sound system is equipped with an electronic locking circuit to deter radio theft.
To make this radio work, a factory code number or customer's personal code number must be entered into the radio after any of the following occur:
^
radio is disconnected from vehicle power supply
^
battery cable is disconnected
^
radio fuse blows
^
battery goes dead
CAUTION
Before disconnecting the battery or in any other way interrupting the power to the radio, - ask customer if radio is coded with personal code
-
be sure customer has recorded personal code
-
be sure customer understands how to enter personal code to make radio work again
-
recode the radio to make it work when it shows the following display:
CAUTION
Do not attempt to remove a cassette from the cassette player when the display shows
Radios received by the dealer in new vehicles or from the Parts Department are either coded by the factory or not coded.
You will find one of these conditions:
^
imported vehicles - factory coded
^
domestic vehicles - factory coded
^
aftermarket radios - not coded
^
replacement (rebuilt) radios - not coded