Lexus is300 2021, Service Manual

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What to do if... (Troubleshooting)
1-1.What to do if... (Troubleshooting)
What to do if... (Troubleshooting)

If you lose your mechanical keys,
new genuine mechanical keys can
be made by your Lexus dealer.
(

P.358)

If you lose your electronic keys, the
risk of vehicle theft increases signifi-
cantly. Contact your Lexus dealer
immediately. (

P.358)

Is the electronic key battery weak or
depleted? (

P.316)
 Is the engine switch in IGNITION
ON mode?
When locking the doors, turn the engine
switch off. (

P.136)

Is the electronic key left inside the
vehicle?
When locking the doors, make sure that
you have the electronic key on your per-
son.

The function may not operate prop-
erly due to the condition of the radio
wave. (

P.100)

Is the child-protector lock set?
The rear door cannot be opened from
inside the vehicle when the lock is set.
Open the rear door from outside and then
unlock the child-protector lock. (

P.94)

The function to prevent the elec-
tronic key from being left inside the
trunk will operate and you can open
the trunk as usual. Take the key out
from the trunk. (

P.97)

Did you press the engine switch
while firmly depressing the brake
pedal? (

P.134)
 Is the shift lever in P? (

P.134)

Is the electronic key anywhere
detectable inside the vehicle?
(

P.99)
 Is the steering wheel unlocked?
(

P.134)

Is the electronic key battery weak or
If you have a problem, check the
following before contacting your
Lexus dealer.
The doors cannot be locked,
unlocked, opened or closed
You lose your keys
The electronic key does not
operate properly
The doors cannot be locked or
unlocked
The rear door cannot be opened
The trunk lid is closed with the
electronic key left inside
If you think something is wrong
The engine does not start