UI_a008 — Touch Screen Error
Full alert identifier: UI_a008_TouchScreenError
Message shown in the car
Touchscreen unresponsive Press and hold scroll wheels to restart
Alert description
Touchscreen driver error detected.
Potential impact
Touchscreen is unresponsive or has limited functionality.
Set condition
One of the following touchscreen errors was detected: ERROR_UNRECOGNIZED_PACKET, ERROR_BAD_CONNECTION, ERROR_NOT_OPENED, ERROR_NOT_MULTITOUCH, ERROR_SIGACQ, ERROR_CFGOBJ, ERROR_NOT_CLOSED, ERROR_READ, ERROR_BAD_DEVICE.
Clear condition
Touchscreen returned to normal operation: NO_ERROR.
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of UI_a008.