Cadillac expands Book car subscription service

Cadillac is expanding its pilot vehicle subscription service in New York and launching the program in two other major cities as the GM luxury brand seeks to attract younger customers with an alternative to traditional car ownership.

UPDATED: 11/2/17 2:53 pm ET - adds market share details
UPDATED: 10/31/17 3:34 pm ET - adds details
Cadillac XT4 sheds heavy camouflage during highway testing

The crossover features an all-new taillight design as well as a steeper, more angular rear — in line with comments made by Cadillac President Johan de Nysschen about the new vehicle's design.