Toyota Highlander Hybrid 2017 Owner's Manual page 570

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8-2. Steps to take in an emergency
Warning light
HIGHLANDER_HV_U (OM48F12U)
Warning light/Details/Actions
Tire pressure warning light
When the light comes on:
Low tire inflation pressure such as
• Natural causes (→P. 572)
• Flat tire (→P. 597)
→ Adjust the tire inflation pressure (including the
full-size 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. 573)
→ Have the system checked by your Toyota dealer.
Vehicle proximity notification system warning light
This warning light flashes then stays on to indicate that
there is a malfunction in the vehicle proximity notification
system.
→ Have the vehicle inspected by your Toyota dealer
immediately.