See also:

Tires and wheels
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Horn
To sound the horn, press the horn symbol on your steering wheel. Check the horn regularly to be sure it operates properly. NOTICE To sound the horn, press the area indicated by the horn symbol on ...

Low Tire Pressure Telltale (If Installed)
The low tire pressure telltale comes on for 3 seconds after the ignition key is turned to the "ON" position. If the warning light does not come on, or continuously remains on after comm ...