See also:

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 ...

Impact sensing door unlock system (if equipped)
All doors will be automatically unlocked when the impact is delivered to impact sensors while the ignition switch is ON. However, the doors may not be unlocked if mechanical problems occur with the ...

Check Spark Plugs and Ignition System
Inspect your spark plugs and replace them if necessary. Also check all ignition wiring and components to be sure they are not cracked, worn or damaged in any way. ...