Chevrolet 2001 Impala Owner's Manual page 211

AM FM: Press this button to play the radio when a disc
is in the player. The disc will stop but remain in the player.
TAPE CD: With a CD in the player and the radio
playing, press this button to play a CD. Press AM FM
to return to the radio when a CD is playing. Press TAPE
CD to switch between the tape and compact disc if both
are loaded. The inactive tape or CD will remain safely
inside the radio for future listening.
EJT: Press this button located below the CD slot
to remove the disc. The radio will play. EJT may be
activated with either the ignition or radio off. CDs may
be loaded with the radio and ignition off if this button
is pressed first.
CAL ERR: This message is displayed when the
radio has not been calibrated properly for the vehicle.
You must return to the dealership for service.
LOCKED: This message is displayed when the
R
THEFTLOCK system has locked up. You must
return to the dealership for service.
Theft Deterrent Feature
-
Non RDS Radios
-
R
THEFTLOCK is designed to discourage theft of your
radio. The feature works automatically by learning a
portion of the Vehicle Identification Number (VIN).
If the radio is moved to a different vehicle, it will not
operate and LOC will be displayed.
With THEFTLOCK activated, your radio will not
operate if stolen.
Theft Deterrent Feature RDS Radios
-
(If Equipped)
R
THEFTLOCK is designed to discourage theft of your
radio. The feature works automatically by learning a
portion of the Vehicle Identification Number (VIN).
If the radio is moved to a different vehicle, it will not
operate and LOCKED will be displayed.
When the ignition is off and RAP is not active, the
blinking light indicates that THEFTLOCK is armed.
With THEFTLOCK activated, your radio will not
operate if stolen.
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