When The Horn Does Not Sound And The Ev System Cannot Be Started - Lexus RZ450E 2023 Owner's Manual

When the horn does not
sound and the EV system
cannot be started
Cause
Restarting the EV
system using the
jumper (or booster)
cables. (P.526)
The 12-volt battery
may be discharged.
Contact your Lexus
(P.506)
dealer if the problem
cannot be repaired,
or if repair proce-
dures are unknown.
Check if a 12-volt
battery terminal is
loose.
One or both of the
12-volt battery ter-
Contact your Lexus
minals may be dis-
dealer if the problem
connected.
cannot be repaired,
or if repair proce-
dures are unknown.
9-3. If the EV system will not start
Remedy
511
9