What does CH stand for in a car?

[McAngelina]

CH is the abbreviation for 'change', meaning to switch. CH+ and CH- are used when playing CDs or FM radio to go to the previous track or frequency. To switch frequencies, you must first search and save the radio frequencies on the six preset buttons before you can switch. Here is some additional information: 1. A multifunction steering wheel refers to the inclusion of various function buttons on the sides or bottom of the steering wheel, including audio controls, air conditioning adjustments, hands-free calling, and sometimes even cruise control settings. The advantage of a multifunction steering wheel is that the driver can operate many of the car's electronic devices directly from the steering wheel without having to search for various buttons on the central console, allowing for greater focus on the road ahead and significantly improving driving safety. 2. Originally, this feature was standard in mid-range cars, but with technological advancements, it has gradually become more common in family cars. Many recently released compact and subcompact cars now come equipped with this feature. Although most are limited to audio controls, they provide considerable convenience and enjoyment for family car users.