Invacare electra User Manual page 42

Horn:
Check function: Contact specialist supplier in case of malfunction.
Batteries / Electrical system:
Check charging state of batteries. Recharge batteries if required (see
"Charging the batteries" on page 34)
Check the condition and stable connection of all connectors. Fit connectors
firmly together if required.
You should have your vehicle checked and maintained by an appointed retailer once a year.
A complete checklist of the required maintenance work can be found in the maintenance
manual, which you can obtain from Invacare®.
42
Tests (to be carried out by user)