Here is the full list of all 63 Car Detailing Simulator achievements.
Fix body
Fix windows
Fix wheels
Finish game
Wash 50 cars
Wash 100 cars
Wash 500 cars
Get 15 rep
Make money
Overtime
Water computer
Sell lower price
See credits
Buy auto salon
Fix ufo
Car 1 minute
Pressure washer time
Find turtle
Stairs ride
Buy all upgrades
Get 10 rep
Long session
Buy all toolkits
Use paint meter
Use sponge
Use automatic polisher
Use small brush
Find unique
Wash 10 cars
Buy shed car
Repair garage
Buy garage
Get 5 rep
Return dirty
Fix trash
Use trash can
Wash 1 car
Fix seat
Use sand paper
Use soft brush
Use wide brush
Buy seat toolkit
Buy interior toolkit
Buy wheel toolkit
Buy garage upgrade
Buy window toolkit
Get 2 rep
Fix scratches
Use hand polisher
Use flashlight
Buy finish toolkit
Open memory
Buy body toolkit
Take photo
Buy one toolkit
Use seat spray
Finish tutorial
Use vacuum
Use window spray
Use rag
Use pressure washer
Buy lights toolkit