See also:

If a warning message is displayed
If a warning is shown on the instrument cluster, stay calm and perform the following actions: 1. Master warning light The master warning light also comes on or flashes in order to indicate that ...

Stop the vehicle immediately.
The following warning indicates the possibility of damage to the vehicle that may lead to an accident. Immediately stop the vehicle in a safe place and contact your Lexus dealer. ...

Extending the case
Push the lock release button. Pull the case until it locks. Check that the lock release button can be seen.  - Adjusting the sub cover (vehicles with third seats) Fasten the button when t ...