Horn
Press 
on the steering wheel pad to sound the horn.
See also:
Mirror Adjustment
1. Press (A) or (B) to select the driver or passenger side mirror.
2. Press the arrows on the control pad to move the mirror up, down, right, or
left.
3. Press the opposite side to get the control ...
Lumbar Adjustment
To adjust the lumbar support:
Press and hold the front or rear of the control to increase or decrease
lumbar support.
Press and hold the top or bottom of the control to raise or lower the
...
Driving Impressions
With a low driving position like Chevrolet's Corvette, the XLR is one sweet
road machine. Acceleration for passing is close to stunning, and the XLR is also
quick from a standstill, helped by prom ...