Lexus 2003 LS Owner's Manual page 443

When SIM–CARD is not inserted:
In case of No operation:
If you input wrong PIN code:
Refer to the phone instruction manual for details.
If a SIM–CARD is not installed, or if PIN code is not input, you
cannot make even a 911 call from the console display.
Section 1 Component Overview
14
NOTICE