Roadshow: Alarm horns too trivial to discuss?

Reader says beef about honking car alarms is the biggest nonissue he can think of. 
BART changes new train car design to satisfy disabled riders' concerns

Bay Area Rapid Transit District plans to put 10 test cars in service in late 2016, and all 775 new cars in 2021. 
Nissan executive known as 'father of the Z' dies at 105

TOKYO -- Yutaka Katayama, a former president of Nissan Motor Co.'s U.S. unit who built the Z sports car into a powerful global brand in the 1970s, has died, his son said Saturday. 
Roadshow live chat, Oct. 29 at noon

Chat live with Mr. Roadshow, Gary Richards! Gary takes questions Wednesdays from noon-1 p.m.