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