See also:

Key lock-in prevention function
This function prevents the doors from being locked with the key still in the ignition switch. ...

Key lock-in prevention function
This function prevents the doors from being locked with the key still in the ignition switch. ...

Wear indicators
1) New tread 2) Worn tread 3) Tread wear indicator Each tire incorporates a tread wear indicator, which becomes visible when the depth of the tread grooves decreases to 0.063 in (1.6 mm). ...