Inspect your spark plugs as described in section 8 and replace them if necessary. Also check all ignition wiring and components to be sure they are not cracked, worn or CAUTION damaged in any way.
Kia Niro (DE HEV) Owners Manual: Battery replacement
■ Folding key
■ Smart Key
A transmitter uses a 3 volt lithium battery which will normally last for several
years. When replacement is necessary, use the following procedure.
1. Insert a slim tool into the slot and gently pry open the folding key center
cover or Pry open the rear cover ...
Kia Niro 2017 (DE HEV) Service Manual: Components and components location
Component Location
1. Body control module (BCM)
2. Smart key unit (SMK)
3. Interior antenna 1
4. Interior antenna 2
5. FOB key
6. Start Stop Button (SSB)
7. Door handle & door antenna
8. Bumper antenna
9. Tailgate open switch ...