The Acura TL is available in base and SH-AWD versions. Base model standard equipment includes dual-zone automatic climate control, leather upholstery, heated front bucket seats with 8-way power adjustment, remote keyless entry, sunroof, wireless cell-phone link, automatic headlights, and 17-inch alloy wheels. SH-AWD models add sport suspension and 18-inch wheels. TL models are not available with individual options, but the base and SH-AWD models can each be equipped with Technology and Advance Packages. The Technology Package adds a navigation system, rearview camera, upgraded audio system with hard drive, keyless access and starting, and a rear spoiler. The Advance package includes the items from the Technology package and adds blind-spot alert and heated and cooled front seats. With Advance Package, a base car switches to 18-inch wheels, and the SH-AWD version gets 19-inch wheels.