
INSTRUCTION MANUAL 2
PRODUCT PROFILE
The ALCOLOCK LR alcohol interlock device controls the
normal operation of a vehicle through connection with the
power, starting and control systems. To start the vehicle
engine, the driver must provide an accepted breath test with
an alcohol concentration (BrAC) below the preset limit. During
operation of the vehicle, the driver will be requested to provide
additional breath tests to maintain compliance with program
requirements. The ALCOLOCK LR alcohol interlock device
will never cause the vehicle engine to stop.
The ALCOLOCK LR device consists of a Handset to conduct
breath alcohol tests and to communicate with the driver, and
an Electronic Control Unit (ECU) that is connected with the
power and control circuits of the vehicle.
The ALCOLOCK LR device is used in alcohol interlock
programs under the direction of a jurisdictional authority and
conforms to international regulations for alcohol interlocks
being used in compliance programs.
WARNING!
• Do not disassemble the ALCOLOCK LR device. Doing
so may damage the components within and void the
warranty
• Do not attempt to tamper with the installation or
to circumvent the ALCOLOCK LR device. This is
considered a Program Violation
• Do not attempt to drive after consuming alcohol. This
is an unsafe practice and is considered a Program
Violation
• The ALCOLOCK LR device may engage a Permanent
Lockout if:
-The scheduled service date is past due
-An Early or Immediate Recall has been recorded
and the device has not been serviced prior to the
lockout date indicated on the Handset