Toyota 2013 Prius Owner's Manual page 310

2-2. Instrument cluster
Vacuum fluorescent display
■
Small spots or light spots may appear on the display. This phenomenon is
characteristic of vacuum fluorescent displays, and there is no problem to
continue using the display.
NOTICE
Steering switches
■
To prevent damage to the steering switches, observe the following precau-
tions.
Do not touch the steering switches with wet hands
●
Do not push hard or sharp objects into the steering switches
●
Do not subject the steering switches to strong impacts
●
Do not allow organic solvents containing thinner, benzene or gasoline, or
●
acidic/alkaline soap to adhere to the surfaces of the steering switches
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