A keyless-entry/engine-start system and wireless cell phone link are newly available for Infiniti's entry-level cars for 2006. G35 comes as a rear-wheel-drive sedan and coupe or as the all-wheel-drive G35x sedan. All use a 3.5-liter V6. Rear-drive models have 298 hp when teamed with a 6-speed manual transmission, 280 hp with a 5-speed automatic; the automatic includes a manual shift gate. G35x comes only with the automatic and has 280 hp. Its AWD includes a Snow Mode for locking in a 50/50 front/rear power split. All G35s have ABS, front side airbags, and curtain side airbags; the coupe's curtain side airbags cover front seats only. Also standard are leather upholstery, heated front seats, and bi-xenon headlights. Limited-slip differential and sport suspension are included with manual transmission, are optional for automatic transmission rear-drive models. Coupes with sport suspension now offer Infiniti's Rear Active Steer option, designed to improve handling by automatically steering the rear wheels slightly. A navigation system is optional.