front grille. Optional equipment is the same as the LT. It is available as either an extended cab, or as a crew cab with either a short or long box. Later 2015 Colorado and Canyon models offered 4G LTE Wi-Fi capabilities through the OnStar system, standard on higher trim levels, and optional on lower trim levels. For 2016, trucks equipped with the eight-inch MyLink or GMC IntelliLink touchscreen infotainment system received standard Apple CarPlay and Android Auto smartphone integration. Starting with the 2017 model year, base Colorado and Canyon models received a standard seven-inch Chevrolet MyLink (or GMC Intellilink) touchscreen infotainment system with Bluetooth for hands-free calling and wireless stereo audio streaming, Apple CarPlay and Android Auto smartphone integration, an A/M-F/M radio, and auxiliary and USB audio inputs, along with a six-speaker audio system. Most models also included a rear backup camera system. OnStar with 4G LTE Wi-Fi capabilities was optional on base Colorado and Canyon models. The six-speed manual transmission was discontinued during the 2019 model year and is no longer available in the Colorado or Canyon. Starting with the 2020 model year, both the 4x2 Z71 Extended Cab and Z71 crew-cab long-box models were removed from the lineup, along with the RST and Redline editions, as both will be combined with the luxury edition. The ZR2 is the "off-road" trim level, and adds to the Z/71 trim level: 2-inch taller suspension, 3.5-inch wider track, 31-inch off-road tires, unique aluminum-alloy wheels, leather-trimmed seating surfaces, functional rock sliders, Multimatic DSSV position-sensitive shock absorbers, aluminum skid plates to protect the radiator, oil pan, and front differential, locking front and rear differentials, and high approach-angle front bumper. Optional equipment is the same as the LT and Z/71 trim levels, except for the availability of a rear bed-mounted light bar. It is available as either an extended cab with a long box, or as a crew cab with a short box. The 2021 model year Colorado will receive a refreshed look and an updated grille in line with the Chevrolet design language, but will see its level trims reduced to four: Work, LT, Z71, and ZR2. The 2WD base trim is eliminated. In Mexico, three configurations are available: WT Double Cab, with a 2.5 L engine, six-speed automatic transmission, and rear wheel drive; the LT Double Cab, with a 2.5 L engine, six-speed automatic transmission, and rear wheel drive; and the LT Double