See also:

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

If steam is coming from the engine compartment
Turn off the engine and get everyone away from the vehicle until it cools down. ...

Braking tips
WARNING Never rest your foot on the brake pedal while driving. This can cause dangerous overheating of the brakes and needless wear on the brake pads and linings. ...