How to Replace the Battery in a 1999 Infiniti Q45 Key Fob
If your Q45 remote key fob is not unlock doors perfectly, the cell battery more likely must to be replaced. Below, we outlined how to open your key fob and replace your Infiniti key battery step by step.
What size battery does 1999 Infiniti Q45 keyless entry remote takeReplacing battery in remote key fob require CR2025 battery and flat head screwdriver. Prepare these materials and tools before opening and make sure to match the size of your keyless entry fob's batteries.
- flat head screwdriver
- 1xCR2025 battery
Step by step guide
Inside of your key fob installed button cell battery. Gently try to disassemble your fob with pry tools. Replace 1 CR2025 battery with flat head screwdriver.
Change old battery with fresh one CR2025. Every battery has a negative and positive side and if you put the wrong connector down, the charge cannot go into your circuit board and make it work. Check position on battery, by "+" mark.
After the new battery installed, check keyless entry remote functionality by pressing buttons. If all functions works, assemble your keyless entry fob's body in reverse order.
At this point squeeze fob’s back cover together. Line your body pieces together and put it together by hands from top to bottom. If your keyless entry remote shell firmly closed, we done. If not, repeat the last step.
How to replace the battery video guide
How To Replace Infiniti Q45 Key Fob Battery 1997 1998 1999 2000 2001
Still not working? Buy new one