One problem related to air bag on-off switch has been reported for the 2018 Audi A5. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2018 Audi A5 based on all problems reported for the 2018 A5.
With the front passanger seat occupied by an adult, display on the dash randamly diplays "passanger airbag off" then displays "passanger airbag on". Display switches between the two. This happens when the car is in motion on a highway or city road driving.