See also:

Spark plugs
Make sure to install new spark plugs of the correct heat range. ...

HORN
Press the pad on the steering wheel to sound the horn. AUDIO REMOTE CONTROL SWITCH The steering wheel may incorporate audio control buttons. NOTE: Do not operate audio remote control switches ...

Front Brake Disc/Pads, Calipers
Check the pads for excessive wear, discs for run out and wear, and calipers for fluid leakage. ...