Toyota 4Runner 2021 Owner's Manual page 480

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478
7-2. Steps to take in an emergency
Warning light
(Flashes or
illuminates)
(Amber)
Warning light/Details/Actions
PCS warning light
When a buzzer sounds simultaneously:
Indicates a malfunction has occurred in the PCS (Pre-
Collision System).
 Have the vehicle inspected by your Toyota dealer
immediately.
When a buzzer does not sound:
The PCS (Pre-Collision System) has become tempo-
rarily unavailable, corrective action may be necessary.
 Follow the instructions displayed on the multi-
information display. (P. 251, 484)
If the PCS (Pre-Collision System) or VSC (Vehicle Sta-
bility Control) system is disabled, the PCS warning
light will illuminate.
 P. 263
*
4
LDA indicator
Indicates a malfunction in the LDA
 When "LDA Unavailable" is displayed on the
multi-information display, turn the LDA system
off, wait for a little while, and then turn the LDA
system back on. (P. 267)
When a message other than above is displayed,
follow the instructions displayed in the message.
Master warning light
A buzzer sounds and warning light comes on flashes
to indicate that the master warning system has
detected a malfunction.
 P. 484
Tire pressure warning light
When the light comes on:
Low tire inflation pressure such as
• Natural causes (P. 480)
• Flat tire (P. 489)
 Adjust the tire inflation pressure (including the
spare tire) 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 Toyota dealer.
When the light comes on after blinking for 1 minute:
Malfunction in the tire pressure warning system
(P. 481)
 Have the system checked by your Toyota
dealer.

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