check engine Lexus IS250 2015 TIPS FOR THE NAVIGATION SYSTEM / LEXUS 2015 IS250,IS350 OWNERS MANUAL QUICK GUIDE (OM53C80U)

What to do if...
77
*1: It also comes on due to natural causes such as natural air leaks and tire inflation pressure changes caused by temperature. Adjust the tire inflation pressure to the specified level.
The light will turn off after a few minutes. In case the light does not turn off even if the tire
inflation pressure is adjusted, have the system checked by your Lexus dealer.
*2:Except F SPORT models
*3:F SPORT models
If the engine doesn’t start
Make sure that the correct operating procedures have been followed.
Make sure that the brake pedal is firmly
depressed when attempting to start the
engine.
Eco drive mode indicator*3“SPORT S+” indicator 
(if equipped)
*3
“SPORT” indicator*2Snow mode indicator*2
“SPORT” indicator 
(if equipped)
*3Snow mode indicator*3
“SPORT S” indicator 
(if equipped)
*3“A I R B A G O N / O F F ”
indicator
For further information, re fer to the Owner’s Manual.
Brake pedal
If the engine still does not start, see the “OWNER’S MANU AL” for more information or
contact your Lexus dealer.

What to do if...
79
■Starting the engine
Ensure that the shift lever is in P and
depress the brake pedal.
Touch the Lexus emblem side of the
electronic key to the engine switch.
When the electronic key is detected, a
buzzer sounds and the engine switch
will turn to IGNITION ON mode.
When the smart access system with
push-button start is deactivated in cus-
tomization setting, the engine switch
will turn to ACCESSORY mode.
Firmly depress the brake pedal and
check that is shown on the
multi-information display.
Press the engine switch.
In the event that the engine still cannot be started, contact your Lexus dealer.
If equipped
1
2
3
4
If the electronic key battery is depleted, a warning message will be shown on the multi-
information display. Replace th e battery with a new one. For instructions on replacing the
battery, refer to the “OWNER’S MANUAL”. If you need further assistance, contact your
Lexus dealer.