Note: a healthy battery with a load of 1.2 kΩ has a voltage of at least 2.1 V.
A) Loosen the screw, slide and remove the key cover.
b) Install a new battery and o-ring.
2. Checking the transmitter.
A) Remove the battery from the key.
b) Apply 3V (For example, two known good batteries) to key contacts ("+" to the side contact, to the bottom).
V) Check that the remote lock works at a distance of 1 m from the driver's door handle.
Note: Do not touch the key plate, this will reduce the range of the transmitter.
3. Checking the receiver.
Check the receiver circuit according to the table "Remote lock receiver test".